[llvm] [AMDGPU][MC] Fix disassembler problem for image_atomic with TFE (PR #112622)

[Jay Foad via llvm-commits]

jayfoad wrote:

> Moreover, another problem in MIMGInstructions.td is also fixed.

This is vague. Please say what the problem is.

https://github.com/llvm/llvm-project/pull/112622