[llvm] [AMDGPU][NFC] Move InstCounterType and Waitcnt to SIInsertWaitcnts.h (PR #187823)

[Matt Arsenault via llvm-commits]

arsenm wrote:

> To summarize, Utils/AMDGPUBaseInfo.h defines InstCounterType but it's printer depends on GCNSubTarget

I don't see where this dependency is?

https://github.com/llvm/llvm-project/pull/187823