[clang] [lldb] [llvm] [AArch64][TargetParser] autogen ArchExtKind enum - renaming (PR #90320)

[Jonathan Thackray via cfe-commits]

https://github.com/jthackray approved this pull request.

LGTM (presumably these were mechanically renamed, given the diff size).

https://github.com/llvm/llvm-project/pull/90320