[llvm] [BOLT] Correctly print preferred disassembly for annotated instructions (PR #120564)

[Kristof Beyls via llvm-commits]

kbeyls wrote:

@mtvec @MouseSplinter : FYI, as this patch touches on some of the RISC-V tests that you wrote (if I'm reading git history correctly)

https://github.com/llvm/llvm-project/pull/120564