[llvm] [BOLT][NFC] Set minimal alignment for BF (PR #67707)

[Vladislav Khmelevsky via llvm-commits]

yota9 wrote:

Well, what's came in to my mind is the golang functions, that needs at least the 16 bytes alignment. But I agree that for now we can check everything and return the result from getMinAlignment() function, let me update the review later. Thanks!

https://github.com/llvm/llvm-project/pull/67707