gpio: clps711x: 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: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-clps711x.c b/drivers/gpio/gpio-clps711x.c
index d355027..20a7839 100644
--- a/drivers/gpio/gpio-clps711x.c
+++ b/drivers/gpio/gpio-clps711x.c
@@ -65,6 +65,7 @@
 	}
 
 	bgc->gc.base = id * 8;
+	bgc->gc.owner = THIS_MODULE;
 	platform_set_drvdata(pdev, bgc);
 
 	return gpiochip_add(&bgc->gc);