Enable profile on NetBSD

Summary:
make check-profile:

Failing Tests (2):
    Profile-i386 :: instrprof-dlopen.test
    Profile-x86_64 :: instrprof-dlopen.test

  Expected Passes    : 64
  Unsupported Tests  : 42
  Unexpected Failures: 2

Sponsored by <The NetBSD Foundation>

Reviewers: joerg, vitalybuka, kcc, filcab, fjricci

Reviewed By: vitalybuka

Subscribers: vsk, llvm-commits, srhines, mgorny, #sanitizers

Tags: #sanitizers

Differential Revision: https://reviews.llvm.org/D36603

llvm-svn: 310800