gpio: bcm-kona: add missing .owner to struct gpio_chip

Add missing .owner of struct gpio_chip. This prevents the
module from being removed from underneath its users.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index b3d0f81..72c927d 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -280,6 +280,7 @@
 
 static struct gpio_chip template_chip = {
 	.label = "bcm-kona-gpio",
+	.owner = THIS_MODULE,
 	.direction_input = bcm_kona_gpio_direction_input,
 	.get = bcm_kona_gpio_get,
 	.direction_output = bcm_kona_gpio_direction_output,