R600/SI: Fix SIFixSGPRCopies for copies to physical registers

This shows up when operands required to be passed in VCC are copied
to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@223208 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed