[AVR] Force relocations for non-encodable jumps (backport)

[Patryk27]

/cherry-pick b7dc691

[llvmbot]

Failed to cherry-pick: b7dc691

https://github.com/llvm/llvm-project/actions/runs/13048060753

Please manually backport the fix and push it to your github fork. Once this is done, please create a pull request

[Patryk27]

Ah, the merge commit is probably different

[Patryk27]

/cherry-pick 814b34f

[llvmbot]

Failed to cherry-pick: 814b34f

https://github.com/llvm/llvm-project/actions/runs/13048168517

Please manually backport the fix and push it to your github fork. Once this is done, please create a pull request

[Patryk27]

😢 oh well, gotta do it the old way then