[PGO] Eliminate prof data register calls on FreeBSD platform

This is a follow up patch of r250199 after verifying the start/stop
section symbols work as spected on FreeBSD.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250679 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed