[llvm] [clang] [CUDA] Add support for CUDA-12.3 and sm_90a (PR #74895)

[Artem Belevich via llvm-commits]

Artem-B wrote:

Tested the changes with cuda test-suite, with cuda-12.1 and 12.3 targeting `sm_{60,70,80,90,90a}`.

https://github.com/llvm/llvm-project/pull/74895