Let's use kvm_gsi_routing_enabled() to check if kvm supports
KVM_CAP_IRQ_ROUTING in order to avoid a needless ioctl invocation.
Signed-off-by: NFei Li <sherrylf@linux.vnet.ibm.com>
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>