[TTS] Add Spanish FastPitch training configs
Signed-off-by: Ryan <rlangman@nvidia.com>

# What does this PR do ?

Add configurations for training FastPitch with Spanish tokenizers

**Collection**: [TTS]

# Changelog 
- Add .yaml configs with Spanish grapheme and IPA tokenizers

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**Pre checks**:
- [x] Make sure you read and followed [Contributor guidelines](https://github.com/NVIDIA/NeMo/blob/main/CONTRIBUTING.md)
- [ ] Did you write any new necessary tests?
- [ ] Did you add or update any necessary documentation?
- [ ] Does the PR affect components that are optional to install? (Ex: Numba, Pynini, Apex etc)
  - [ ] Reviewer: Does the PR have correct import guards for all optional libraries?
  
**PR Type**:
- [x] New Feature
- [ ] Bugfix
- [ ] Documentation