[llvm-branch-commits] [llvm] [AMDGPU][docs] Replace gfx940 and gfx941 with gfx942 in llvm/docs (PR #126887)

[Fabian Ritter via llvm-branch-commits]

https://github.com/ritter-x2a ready_for_review https://github.com/llvm/llvm-project/pull/126887