i2c: muxes: 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/i2c/muxes/i2c-arb-gpio-challenge.c

···
 	.probe	= i2c_arbitrator_probe,
 	.remove	= i2c_arbitrator_remove,
 	.driver	= {
-		.owner	= THIS_MODULE,
 		.name	= "i2c-arb-gpio-challenge",
 		.of_match_table = i2c_arbitrator_of_match,
 	},

drivers/i2c/muxes/i2c-mux-gpio.c

···
 	.probe	= i2c_mux_gpio_probe,
 	.remove	= i2c_mux_gpio_remove,
 	.driver	= {
-		.owner	= THIS_MODULE,
 		.name	= "i2c-mux-gpio",
 		.of_match_table = i2c_mux_gpio_of_match,
 	},

drivers/i2c/muxes/i2c-mux-pinctrl.c

···
 static struct platform_driver i2c_mux_pinctrl_driver = {
 	.driver	= {
 		.name	= "i2c-mux-pinctrl",
-		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(i2c_mux_pinctrl_of_match),
 	},
 	.probe	= i2c_mux_pinctrl_probe,