tty: serial: 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/tty/serial/mxs-auart.c

@@ -1123,7 +1123,6 @@ static struct platform_driver mxs_auart_driver = {
 	.remove = mxs_auart_remove,
 	.driver = {
 		.name = "mxs-auart",
-		.owner = THIS_MODULE,
 		.of_match_table = mxs_auart_dt_ids,
 	},
 };