[llvm] [AMDGPU] Set Convergent property for image.(getlod/sample*) intrinsics which uses WQM (PR #122908)

[Carl Ritson via llvm-commits]

https://github.com/perlfu commented:

The code change looks fine to me.
However I think for completeness this also needs to be applied to some variants of `image_gather4` as well.

https://github.com/llvm/llvm-project/pull/122908