[PowerPC] Mark P9 scheduling model complete

This patch just adds the missing information to the P9 scheduling model to allow
the model to be marked as complete.

The model has been verified against P9 documentation. The model was verified
with utils/schedcover.py.

Differential Revision: https://reviews.llvm.org/D35695

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@314026 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed