cpufreq: 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/cpufreq/kirkwood-cpufreq.c

@@ -183,7 +183,6 @@ static struct platform_driver kirkwood_cpufreq_platform_driver = {
 	.remove = kirkwood_cpufreq_remove,
 	.driver = {
 		.name = "kirkwood-cpufreq",
-		.owner = THIS_MODULE,
 	},
 };