[S390] cio: Fix device attributes for early devices.

Don't forget to set dev->groups for early ccw devices like the
console device so the default attributes are created.
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/cio/device.c

@@ -1123,6 +1123,7 @@ io_subchannel_probe (struct subchannel *sch)
 		 * device, e.g. the console.
 		 */
 		cdev = sch->dev.driver_data;
+		cdev->dev.groups = ccwdev_attr_groups;
 		device_initialize(&cdev->dev);
 		ccw_device_register(cdev);
 		/*