s390x: initialize flic before I/O subsystems

Let's have a flic before we move on to initialize more specific
subsystems that make use of it.
Signed-off-by: NFei Li <sherrylf@linux.vnet.ibm.com>
Reviewed-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>

hw/s390x/s390-virtio-ccw.c

@@ -113,12 +113,13 @@ static void ccw_init(MachineState *machine)
     s390_sclp_init();
     s390_memory_init(machine->ram_size);
 
+    s390_flic_init();
+
     /* get a BUS */
     css_bus = virtual_css_bus_init();
     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
                       machine->initrd_filename, "s390-ccw.img",
                       "s390-netboot.img", true);
-    s390_flic_init();
 
     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,