[lld] [LLD][AArch64] Implement relaxOnce to avoid dead GOT entries for relaxed ADRP+LDR (PR #224370)

[Pranav Kant via llvm-commits]

pranavk wrote:

Sure, I can build some large open source projects and post the numbers here. So far, I have only tested internal large projects

https://github.com/llvm/llvm-project/pull/224370