[llvm] [AsmPrint] Correctly factor function entry count when dumping MBB frequencies (PR #67826)

[Mircea Trofin via llvm-commits]

mtrofin wrote:

@MatzeB are there any changes left to do (the review still says "changes requested", but not seeing any left - or am I missing smth)

https://github.com/llvm/llvm-project/pull/67826