[AMDGPU][docs] Replace gfx940 and gfx941 with gfx942 in llvm/docs#126887

ritter-x2a merged 1 commit intomainllvm/llvm-project:mainfrom

users/ritter-x2a/rm-gfx940-gfx941-docsllvm/llvm-project:users/ritter-x2a/rm-gfx940-gfx941-docsCopy head branch name to clipboard