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

[Sameer Sahasrabuddhe via llvm-commits]

ssahasra wrote:

To wit, those _non-async_ variants were added in #146636, without much of a review or a discussion of what async means. It's that actual practice of silently lifting things from NPI to upstream which needs to be discontinued.

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