Include Book3s_64 target in buildsystem

Now we have everything in place to be able to build KVM, so let's add it
as config option and in the Makefile.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index c299268..07703f7 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -21,6 +21,23 @@
 	select PREEMPT_NOTIFIERS
 	select ANON_INODES
 
+config KVM_BOOK3S_64_HANDLER
+	bool
+
+config KVM_BOOK3S_64
+	tristate "KVM support for PowerPC book3s_64 processors"
+	depends on EXPERIMENTAL && PPC64
+	select KVM
+	select KVM_BOOK3S_64_HANDLER
+	---help---
+	  Support running unmodified book3s_64 and book3s_32 guest kernels
+	  in virtual machines on book3s_64 host processors.
+
+	  This module provides access to the hardware capabilities through
+	  a character device node named /dev/kvm.
+
+	  If unsure, say N.
+
 config KVM_440
 	bool "KVM support for PowerPC 440 processors"
 	depends on EXPERIMENTAL && 44x