KVM: x86 emulator: add new ->wbinvd() callback

Instead of calling kvm_emulate_wbinvd() directly.

Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 64e7373..522bc35 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4092,7 +4092,7 @@
 		rc = em_clts(ctxt);
 		break;
 	case 0x09:		/* wbinvd */
-		kvm_emulate_wbinvd(ctxt->vcpu);
+		ctxt->ops->wbinvd(ctxt);
 		break;
 	case 0x08:		/* invd */
 	case 0x0d:		/* GrpP (prefetch) */