[llvm] [llvm-mca][AArch64] Add AArch64 version of clearsSuperRegisters. (PR #92548)

[Min-Yih Hsu via llvm-commits]

https://github.com/mshockwave commented:

LGTM w/ a minor comment. But I would leave to the ARM folks to approve.

https://github.com/llvm/llvm-project/pull/92548