mfd: drop owner assignment from platform_drivers

A platform_driver does not need to set an owner, it will be populated by the
driver core.

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/mfd/db8500-prcmu.c

@@ -3230,7 +3230,6 @@ static const struct of_device_id db8500_prcmu_match[] = {
 static struct platform_driver db8500_prcmu_driver = {
 	.driver = {
 		.name = "db8500-prcmu",
-		.owner = THIS_MODULE,
 		.of_match_table = db8500_prcmu_match,
 	},
 	.probe = db8500_prcmu_probe,