[Pytorch Edge] Add selective macros to metal ops (#68134)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/68134
Add the macros in preparation of making these selective. Should be a no-op in this diff.
ghstack-source-id: 143023844
Test Plan: CI
Reviewed By: dhruvbird
Differential Revision: D32326833
fbshipit-source-id: 7abc93102bff0aa0bc5e3383bdf3e95fb84ce5ba
