[llvm] [AVR] Fix parsing & emitting relative jumps (PR #106722)

[Patryk Wychowaniec via llvm-commits]

Patryk27 wrote:

Ouch, I've had no idea there's an extra LLD test (`lld/test/ELF/avr-reloc.s`) - lemme take a look at it.

https://github.com/llvm/llvm-project/pull/106722