[clang] [llvm] [AMDGPU] Add Clang builtins for amdgcn s_ttrace intrinsics (PR #88076)

[Corbin Robeck via cfe-commits]

CRobeck wrote:

Probably want to add a test in: 
clang/test/CodeGenOpenCL/builtins-amdgcn-gfx12.cl
as well.

https://github.com/llvm/llvm-project/pull/88076