[clang] [CUDA][HIP] Support CUID in new driver (PR #122859)

[Yaxun Liu via cfe-commits]

yxsamliu wrote:

> I thought the new driver just got some entropy from the current source file's `inode` entry? I'm not opposed, since I guess it would make sense to give the user a way to override it.

Sorry I did not quite get your question. Do you suggest that we need some option to override the CUID behavior? Currently clang already has options to disable it or set it to a fixed value.

https://github.com/llvm/llvm-project/pull/122859