Support all ROCm supported uarchs simultaneously: gfx803, gfx900, gfx906 (#17367)
Summary:
Correct misspelled flag.
Remove dependency on debug flag (HCC_AMDGPU_TARGET)
Pull Request resolved: https://github.com/pytorch/pytorch/pull/17367
Differential Revision: D14227334
Pulled By: bddppq
fbshipit-source-id: d838f219a9a1854330b0bc851c40dfbba77a32ef
