[llvm] [NFC][AMDGPU] Auto generate check lines for some assembler tests (PR #130797)

[Jay Foad via llvm-commits]

https://github.com/jayfoad approved this pull request.

Thanks. I'd be in favour of doing this for all AMDGPU asm/dis tests.

https://github.com/llvm/llvm-project/pull/130797