[llvm] [MC][AsmParser]: Don't use SourceMgr::AddIncludeFile when opening .incbin files (PR #194254)

[via llvm-commits]

SergeantCooper wrote:

@aengelke Restored the OpenIncludeFile. The follow up is still requires work, I fixed some of the ones you mentioned.

https://github.com/llvm/llvm-project/pull/194254