[llvm] [AMDGPU][MC] test update with script for gfx11/gfx12 mc test (PR #135527)

[Brox Chen via llvm-commits]

broxigarchen wrote:

> > Can you please split this up a bit? Something like 3 patches
> > 
> > * run script with unique on files where it doesn't change the contents
> > * run script on files where it removes duplicated tests
> > * run script on files where it changes output lines
> 
> sure

Updated. Seems only 1 file is removing duplications https://github.com/llvm/llvm-project/pull/135681

others are jsut formatting files in this patch

https://github.com/llvm/llvm-project/pull/135527