llama3.2 90b config updates + nits

[RdoubleA]

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 11.11111% with 8 lines in your changes missing coverage. Please review.

Project coverage is 25.11%. Comparing base (9eced21) to head (e0b3e7a).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
recipes/full_finetune_distributed.py	0.00%	2 Missing ⚠️
recipes/full_finetune_single_device.py	0.00%	2 Missing ⚠️
recipes/lora_finetune_distributed.py	0.00%	2 Missing ⚠️
recipes/lora_finetune_single_device.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1950       +/-   ##
===========================================
- Coverage   68.40%   25.11%   -43.29%     
===========================================
  Files         311      311               
  Lines       16973    16973               
===========================================
- Hits        11610     4263     -7347     
- Misses       5363    12710     +7347     

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[SalmanMohammadi]

what happens if someone tries to use activation offloading with a vision model? broken?

[RdoubleA]

it will already error out elsewhere with a descriptive message. but it's odd to see "try activation offloading" and then "activation offloading is not supported for multimodal"