bpf: fix test failures due to previous bpf change of assembly code syntax

Signed-off-by: Yonghong Song <yhs@fb.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@312840 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed