[llvm] [NFC][AMDGPU] Align all gfx1250 VOP1 MC tests with downstream (PR #149567)

[Shilei Tian via llvm-commits]

shiltian wrote:

@mariusz-sikora-at-amd This will cause downstream conflict, but I'd expect to simply just take these when merging.

https://github.com/llvm/llvm-project/pull/149567