ENH Adds byte support for nll_loss (CUDA) (#60650)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/59765
This PR adds byte support for nll_loss on CUDA.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/60650
Reviewed By: albanD
Differential Revision: D29429456
Pulled By: jbschlosser
fbshipit-source-id: 894c969ed6bfc6117dee8e844a7cb5b99977247c
