[lld] [LLD][COFF] Support alternate names in both symbol tables on ARM64X (PR #127619)

[Jacek Caban via llvm-commits]

cjacek wrote:

With this PR, ARM64X support is now sufficient for linking against MSVC CRT libraries, making it actually useful. However, a few pieces are still missing for full support, such as CF guards.

https://github.com/llvm/llvm-project/pull/127619