PPC ZERO register needs a register number of 0.

In order for the new ZERO register to be used with MC, etc. we need to specify
its register number (0).

Thanks to Kai for reporting the problem!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177833 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed