[lld] [LLD][ELF] Skip non-inputsections to avoid invalid cast in Arm BE8 handling (PR #188154)

[Simi Pallipurath via llvm-commits]

simpal01 wrote:

> Should remove the trailing period from the title to match the majority of patches.

Thank you . Done

https://github.com/llvm/llvm-project/pull/188154