kvm: powerpc: book3s: Support building HV and PR KVM as module

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
[agraf: squash in compile fix]
Signed-off-by: Alexander Graf <agraf@suse.de>

diff --cc arch/powerpc/kvm/Kconfig
Simple merge

diff --cc arch/powerpc/kvm/Makefile
Simple merge

diff --cc arch/powerpc/kvm/book3s.c
Simple merge

diff --cc arch/powerpc/kvm/book3s_emulate.c
Simple merge

diff --cc arch/powerpc/kvm/book3s_hv.c
Simple merge

diff --cc arch/powerpc/kvm/book3s_pr.c
Simple merge

diff --cc arch/powerpc/kvm/book3s_rtas.c
Simple merge

diff --cc arch/powerpc/kvm/book3s_xics.c
Simple merge

diff --cc arch/powerpc/kvm/emulate.c
Simple merge

diff --cc arch/powerpc/kvm/powerpc.c
Simple merge

diff --cc virt/kvm/kvm_main.c
Simple merge