[llvm] [BOLT] support mold linker generated PLT in disassembling (PR #115256)

[Alexander Yermolovich via llvm-commits]

ayermolo wrote:

For reference this is how LLD handles it:
https://github.com/llvm/llvm-project/blob/main/lld/ELF/SyntheticSections.cpp#L2675

https://github.com/llvm/llvm-project/pull/115256