add skip_if_rocm to all requires_nccl tests (#45158)
Summary:
requires_nccl annotation should skip_if_rocm as well
Pull Request resolved: https://github.com/pytorch/pytorch/pull/45158
Reviewed By: seemethere
Differential Revision: D23879952
Pulled By: walterddr
fbshipit-source-id: 818fb31ab75d5f02e77fe3f1367faf748855bee7
