fix: add back in missing config values of hf export for llama3.1 and 3.2
<!-- 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.llm.gpt.model.llama
nemo/collections/llm/gpt/model/llama.py:455:0: C0301: Line too long (122/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:456:0: C0301: Line too long (123/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:467:0: C0301: Line too long (139/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:468:0: C0301: Line too long (140/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:469:0: C0301: Line too long (139/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:470:0: C0301: Line too long (140/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:471:0: C0301: Line too long (139/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:472:0: C0301: Line too long (140/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:474:0: C0301: Line too long (124/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:475:0: C0301: Line too long (125/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:476:0: C0301: Line too long (128/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:477:0: C0301: Line too long (129/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:688:0: C0301: Line too long (158/119) (line-too-long)
nemo/collections/llm/gpt/model/llama.py:47:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:67:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:76:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:85:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:94:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:116:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:137:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:147:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:159:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:169:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:180:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:191:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:204:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:217:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:223:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:229:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:240:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:244:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:256:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:276:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/llm/gpt/model/llama.py:293:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/llm/gpt/model/llama.py:299:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/llm/gpt/model/llama.py:337:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:359:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/llm/gpt/model/llama.py:379:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/llm/gpt/model/llama.py:383:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/llm/gpt/model/llama.py:419:0: C0115: Missing class docstring (missing-class-docstring)
nemo/collections/llm/gpt/model/llama.py:530:4: C0116: Missing function or method docstring (missing-function-docstring)
nemo/collections/llm/gpt/model/llama.py:680:0: C0116: Missing function or method docstring (missing-function-docstring)

-----------------------------------
Your code has been rated at 8.73/10
```

---

Mitigation guide:

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

The only config not preserved is max_position_embeddings since we lose that information b/c nemo uses `seq_length`. Even though the original value would be lost during an `export(import(ckpt))` conversion, it's probably a confusing UX if we allow this to be configurable upon export since most will just use the value that the model has been trained on.

**Collection**: [Note which collection this PR will affect]

# Changelog 
- Add specific line by line info of high level changes in this PR.

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# Additional Information
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