[llvm] [PAC][llvm-readobj][ELF][AArch64] Define static AUTH TLSDESC relocations (PR #113716)

[James Henderson via llvm-commits]

https://github.com/jh7370 approved this pull request.

Looks fine to me, once the values are confirmed as good in the reference material.

It may be worth including a link in the commit description to the relevant documentation, to reduce the number of hoops that have to be jumped through to get to the source of these reloc types.

https://github.com/llvm/llvm-project/pull/113716