Enable BLIS from the FLAME project as a BLAS choice. (#23819)
Summary:
BLIS is AMD's official recommendation for BLAS.
Mimicks my ancient
https://gitlab.kitware.com/cmake/cmake/commit/f5bc78263e15f07fc1fed15d970d7ecf9e84f7cc
in cmake upstream
BLIS WWW: https://github.com/flame/blis
Pull Request resolved: https://github.com/pytorch/pytorch/pull/23819
Differential Revision: D17231360
Pulled By: bddppq
fbshipit-source-id: 68db70d63e410438f99b2bf57986b81ff6b6c5b3
