Fix test MC/AMDGPU/reloc.s

Missed this change in r349620

Change-Id: I5123e31ed4bb99ad6903b9ede4de4dbe2cc6d453

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@349622 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed