[clang] [compiler-rt] [llvm] [X86] AMD Zen 5 Initial enablement (PR #107964)

[Aaron Ballman via cfe-commits]

AaronBallman wrote:

> It would be messy, but could we not place the CK_ZNVER5 enum entry at the end of the enum list just for 19.x and then fix the sorting in trunk?

Seems better than an ABI break this late in the cycle, but I don't have *super* strong feelings.

https://github.com/llvm/llvm-project/pull/107964