Add Nemotron parse PTQ support

[Edwardf0t1]

What does this PR do?

Type of change: New model support

Overview: Add PTQ support for https://huggingface.co/nvidia/NVIDIA-Nemotron-Parse-v1.1

Usage

python3 hf_ptq.py --pyt_ckpt_path /home/omniml_data_3/models/NVIDIA-Nemotron-Parse-v1.1 --qformat fp8 --export_path /home/omniml_data_3/zhiyuc/checkpoints/NVIDIA-Nemotron-Parse-v1.1-FP8 --trust_remote_code --kv_cache_qformat none --attn_implementation eager

Testing

Before your PR is "Ready for review"

• Make sure you read and follow Contributor guidelines and your commits are signed.
• Is this change backward compatible?: Yes
• Did you write any new necessary tests?: Yes/No
• Did you add or update any necessary documentation?: Yes/No
• Did you update Changelog?: Not yet

Additional Information

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 74.23%. Comparing base (307fe71) to head (e1bd013).
⚠️ Report is 19 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #786      +/-   ##
==========================================
- Coverage   74.66%   74.23%   -0.43%     
==========================================
  Files         192      192              
  Lines       18975    19033      +58     
==========================================
- Hits        14167    14129      -38     
- Misses       4808     4904      +96     

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[jingyu-ml]

LGMT but seems like you need to rebase to the main where I did some refactoring to the unifed ckpt export.