KVM: SVM: allow AVIC without split irqchip

SVM is now able to disable AVIC dynamically whenever the in-kernel PIT sets
up an ack notifier, so we can enable it even if in-kernel IOAPIC/PIC/PIT
are in use.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/svm.c

@@ -2073,7 +2073,7 @@ static int svm_vm_init(struct kvm *kvm)
 			return ret;
 	}
 
-	kvm_apicv_init(kvm, avic && irqchip_split(kvm));
+	kvm_apicv_init(kvm, avic);
 	return 0;
 }