char: 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 <[e-mail]>

drivers/char/sonypi.c

···
 static struct platform_driver sonypi_driver = {
 	.driver		= {
 		.name	= "sonypi",
-		.owner	= THIS_MODULE,
 		.pm	= SONYPI_PM,
 	},
 	.probe		= sonypi_probe,

drivers/char/tb0219.c

···
 	.remove		= tb0219_remove,
 	.driver		= {
 		.name	= "TB0219",
-		.owner	= THIS_MODULE,
 	},
 };