mtd: nand-gpio: Add missing "owner" field in platform_driver struct

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
index 6bf8f2e..800a1cc 100644
--- a/drivers/mtd/nand/gpio.c
+++ b/drivers/mtd/nand/gpio.c
@@ -307,6 +307,7 @@
 	.remove		= gpio_nand_remove,
 	.driver		= {
 		.name	= "gpio-nand",
+		.owner	= THIS_MODULE,
 		.of_match_table = of_match_ptr(gpio_nand_id_table),
 	},
 };