[PowerPC] Add identification for POWER8NVL

This CPU type was not previously recognized by LLVM which led to emitting
poor (and sometimes incorrect) code in some JIT workloads on such a machine.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290961 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed