pinctrl: i.MX27: Remove unused structure definition

struct imx27_pinctrl_private is not used in the driver.
Remove this definition.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/pinctrl-imx27.c

@@ -440,12 +440,6 @@ static struct of_device_id imx27_pinctrl_of_match[] = {
 	{ /* sentinel */ }
 };
 
-struct imx27_pinctrl_private {
-	int num_gpio_childs;
-	struct platform_device **gpio_dev;
-	struct mxc_gpio_platform_data *gpio_pdata;
-};
-
 static int imx27_pinctrl_probe(struct platform_device *pdev)
 {
 	return imx1_pinctrl_core_probe(pdev, &imx27_pinctrl_info);