Merge tag 'kvm-ppc-next-4.19-1' of...

Merge tag 'kvm-ppc-next-4.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD

PPC KVM update for 4.19.

This update adds no new features; it just has some minor code cleanups
and bug fixes, including a fix to allow us to create KVM_MAX_VCPUS
vCPUs on POWER9 in all CPU threading modes.