llvm-project

8615f9aa - [AMDGPU] Replace gfx940 and gfx941 with gfx942 in llvm (#126763)

[AMDGPU] Replace gfx940 and gfx941 with gfx942 in llvm (#126763) gfx940 and gfx941 are no longer supported. This is one of a series of PRs to remove them from the code base. This PR removes all non-documentation occurrences of gfx940/gfx941 from the llvm directory, and the remaining occurrences in clang. Documentation changes will follow. For SWDEV-512631