[llvm] [AMDGPU] Enable WMMA256bInsts + Wave32 for gfx1200/gfx1201 + SISchedule fix + TargetParser gfx1200 propagation (PR #202093)

[Alexandra Munkes via llvm-commits]

Malexandra-de wrote:

 @clearnature The `GCNCreateVOPD` pass runs post-RA and will not change the registers in an instruction. Dependency checking is performed before this pass gets involved.


https://github.com/llvm/llvm-project/pull/202093