[lld] [LLD][ELF][AArch64] Discard .ARM.attributes sections (PR #125838)

[Peter Smith via llvm-commits]

smithp35 wrote:

> > LLVM has started to emit AArch64 build attributes sections called .ARM.attributes.
> 
> Add a link #123990 ?

Will do, thanks for the suggestion.

https://github.com/llvm/llvm-project/pull/125838