[llvm] [LLVM][NVPTX] Add NVPTX codegen support for clusterlaunchcontrol instruction (PR #134568)

[Pradeep Kumar via llvm-commits]

schwarzschild-radius wrote:

@Artem-B I have addressed all of the comments and resolved them as well. Please let me know if the review is good to go

https://github.com/llvm/llvm-project/pull/134568