hsi: controllers: 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/hsi/controllers/omap_ssi.c

···
 	.remove	= __exit_p(ssi_remove),
 	.driver	= {
 		.name	= "omap_ssi",
-		.owner	= THIS_MODULE,
 		.pm     = DEV_PM_OPS,
 		.of_match_table = omap_ssi_of_match,
 	},

drivers/hsi/controllers/omap_ssi_port.c

···
 	.remove	= __exit_p(ssi_port_remove),
 	.driver	= {
 		.name	= "omap_ssi_port",
-		.owner	= THIS_MODULE,
 		.of_match_table = omap_ssi_port_of_match,
 		.pm	= DEV_PM_OPS,
 	},