[S390] cio: Set driver->owner on css, ccw and ccwgroup busses.

Set the owner field in the embedded struct device_driver to the
value provided in the {css,ccw,ccwgroup}_driver.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 4d98a0fd..69d56c7 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -862,6 +862,7 @@
 {
 	cdrv->drv.name = cdrv->name;
 	cdrv->drv.bus = &css_bus_type;
+	cdrv->drv.owner = cdrv->owner;
 	return driver_register(&cdrv->drv);
 }
 EXPORT_SYMBOL_GPL(css_driver_register);