[llvm] [AMDGPU] Fix GFX11 WMMA intrinsic lowering regression for compute kernels (PR #164036)

[Stanislav Mekhanoshin via llvm-commits]

rampitec wrote:

> So maybe the ROCm-style fix is preferable? But I have not looked at it closely, and to be honest I do not understand the root cause of the problem you are fixing.

We shall not diverge in upstream and downstream. If there is already a downstream solution we shall use it.

https://github.com/llvm/llvm-project/pull/164036