[llvm] [CodeGen] Fix INLINEASM regclass numbers to match names in tests (PR #142359)

[Jay Foad via llvm-commits]

jayfoad wrote:

Here's the dodgy script I used to automate this: https://gist.github.com/jayfoad/689235e64d47eca8cc0a65705a45f464

https://github.com/llvm/llvm-project/pull/142359