AMDGPU: Run internalize symbols at -O0

The relocations used for externally visible functions
aren't supported, so the direct call emitted ends
up hitting a linker error.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@313616 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed