KVM: PPC: make e500v2 kvm and e500mc cpu mutually exclusive

We can't run e500v2 kvm on e500mc kernels, so indicate that by
making the 2 options mutually exclusive in kconfig.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>

arch/powerpc/kvm/Kconfig

@@ -120,7 +120,7 @@ config KVM_EXIT_TIMING
 
 config KVM_E500V2
 	bool "KVM support for PowerPC E500v2 processors"
-	depends on EXPERIMENTAL && E500
+	depends on EXPERIMENTAL && E500 && !PPC_E500MC
 	select KVM
 	select KVM_MMIO
 	---help---