[lldb] Upstream eCore_arm_arm64e enum value in ArchSpec

Upstream the eCore_arm_arm64e enum value in ArchSpec. All the other
arm64e triple changes already landed in LLVM.

Differential revision: https://reviews.llvm.org/D95110

GitOrigin-RevId: baf6c2987e576e319857c586120e98e917d8b47f
2 files changed