[llvm] DAG: Replace bitwidth with type in suffix in atomic tablegen ops (PR #94845)

[Jessica Clarke via llvm-commits]

jrtc27 wrote:

Though I'll note that it would be nice to have unsuffixed ops, like we do for most ops, so you can just let TableGen's inference figure it out when you're not dealing with values less than the register size.

https://github.com/llvm/llvm-project/pull/94845