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

[Joe Nash via llvm-commits]

Sisyph wrote:

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

Me too.

Using the auto-generation script AND putting the assembler and disassembler tests in the same file like we have in test/MC/AMDGPU/gfx12_asm_vop1.s would be even better, but it would be a more manual process.

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