[llvm] [BOLT] Fix address mapping for ICP code (PR #70136)

[Amir Ayupov via llvm-commits]

https://github.com/aaupov approved this pull request.

Makes sense to assign offsets to ICP-created jumps from indirect call/jmp (or from the containing block). This should fix the profile collected in BAT mode.

https://github.com/llvm/llvm-project/pull/70136