[clang] [CUDA] Add support for sm101 and sm120 target architectures (PR #127187)

[Sebastian Jodłowski via cfe-commits]

jodelek wrote:

> LGTM.
> 
> Do you need help merging the patch?

This is my first one, so would appreciate the help, thanks!

https://github.com/llvm/llvm-project/pull/127187