[clang] [clang-tools-extra] [llvm] [clang] Simplify device kernel attributes (PR #137882)

[Nick Sarnie via llvm-commits]

sarnex wrote:

Thanks Erich!

@AaronBallman Do you mind giving the final version another quick pass to make sure all concerns are addressed? Thanks!


https://github.com/llvm/llvm-project/pull/137882