[clang] [llvm] [AMDGPU] Add async variants of tensor load/store LDS intrinsics. (PR #200775)

[Krzysztof Drewniak via cfe-commits]

krzysz00 wrote:

Yeah, I don't have an extremely strong opinion on if we put `async` in the name of the TDM intrinsics or not, but I do agree there should only be one intrinsic, not two variants

https://github.com/llvm/llvm-project/pull/200775