[clang] [lld] [lld][ELF][clang][MTE] Add generic -z memtag-* options (PR #187055)

[Elia Geretto via cfe-commits]

EliaGeretto wrote:

I cannot reopen this PR because I used the branch to split the commit in two and GitHub does not like that. I will have to create a new one.

https://github.com/llvm/llvm-project/pull/187055