[PowerPC] Minor cleanup in PPCELFObjectWriter::getRelocTypeInner

This just re-sorts the big switch statement in
PPCELFObjectWriter::getRelocTypeInner to follow
the (numerical) order of the reloc types, and
fixes a couple of whitespace issues.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184485 91177308-0d34-0410-b5e6-96231b3b80d8
Add a fixme.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184486 91177308-0d34-0410-b5e6-96231b3b80d8