Extended neva model to support llava_next
<!-- pylint-output-strict-mode-true -->

beep boop 🤖: 🚨 The following files must be fixed before merge!

---

Your code was analyzed with PyLint. The following annotations have been identified:

```
************* Module nemo.collections.vlm.neva.model.utils
nemo/collections/vlm/neva/model/utils.py:86:0: C0301: Line too long (121/119) (line-too-long)
nemo/collections/vlm/neva/model/utils.py:87:0: C0301: Line too long (188/119) (line-too-long)
nemo/collections/vlm/neva/model/utils.py:142:0: C0301: Line too long (131/119) (line-too-long)
nemo/collections/vlm/neva/model/utils.py:157:0: C0301: Line too long (139/119) (line-too-long)
nemo/collections/vlm/neva/model/utils.py:167:0: C0301: Line too long (129/119) (line-too-long)
nemo/collections/vlm/neva/model/utils.py:255:0: C0301: Line too long (127/119) (line-too-long)
nemo/collections/vlm/neva/model/utils.py:335:0: C0301: Line too long (124/119) (line-too-long)
nemo/collections/vlm/neva/model/utils.py:343:0: C0301: Line too long (203/119) (line-too-long)
nemo/collections/vlm/neva/model/utils.py:350:0: C0301: Line too long (122/119) (line-too-long)

-----------------------------------
Your code has been rated at 9.42/10
```

---

Thank you for improving NeMo's documentation! <!-- pylint-output-strict-mode-false -->

beep boop 🤖: 🙏 The following files have warnings. In case you are familiar with these, please try helping us to improve the code base.

---

Your code was analyzed with PyLint. The following annotations have been identified:

```
************* Module nemo.collections.vlm.neva.model.base
nemo/collections/vlm/neva/model/base.py:475:0: C0301: Line too long (139/119) (line-too-long)
nemo/collections/vlm/neva/model/base.py:478:0: C0301: Line too long (128/119) (line-too-long)
nemo/collections/vlm/neva/model/base.py:486:0: C0301: Line too long (125/119) (line-too-long)
nemo/collections/vlm/neva/model/base.py:495:0: C0301: Line too long (122/119) (line-too-long)
nemo/collections/vlm/neva/model/base.py:99:0: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:133:0: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:151:0: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:172:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:227:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:242:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/base.py:261:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:282:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/base.py:314:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:352:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:365:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/base.py:647:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/base.py:664:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:668:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:694:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:697:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:700:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:704:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:710:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:717:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/base.py:28:0: W0611: Unused TEDotProductAttention imported from megatron.core.extensions.transformer_engine (unused-import)
************* Module nemo.collections.vlm.neva.model.llava
nemo/collections/vlm/neva/model/llava.py:133:0: C0301: Line too long (137/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:134:0: C0301: Line too long (122/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:135:0: C0301: Line too long (146/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:136:0: C0301: Line too long (144/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:176:0: C0301: Line too long (128/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:177:0: C0301: Line too long (161/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:178:0: C0301: Line too long (157/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:179:0: C0301: Line too long (150/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:180:0: C0301: Line too long (146/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:181:0: C0301: Line too long (158/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:182:0: C0301: Line too long (154/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:183:0: C0301: Line too long (135/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:184:0: C0301: Line too long (131/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:185:0: C0301: Line too long (135/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:186:0: C0301: Line too long (131/119) (line-too-long)
nemo/collections/vlm/neva/model/llava.py:41:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/llava.py:47:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/llava.py:60:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/llava.py:72:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/llava.py:76:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/llava.py:80:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/llava.py:91:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/llava.py:108:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/vlm/neva/model/llava.py:130:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/llava.py:207:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/llava.py:213:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/llava.py:253:0: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/vlm/neva/model/llava.py:364:0: C0115: Missing class docstring (missing-class-docstring)

-----------------------------------
Your code has been rated at 8.89/10
```

---

Thank you for improving NeMo's documentation!
# What does this PR do ?

Extended neva model to support llava_next

**Collection**: 
VLM

# Changelog 
- Utility functions for image tiling
- LLaVA Next model class
- LLaVA Next HF checkpoint importer class
-NeVA fwd function changes to handle image tiling



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