pinctrl: imx: constify struct imx_pinctrl_soc_info

Now that imx_pinctrl_probe accepts const struct imx_pinctrl_soc_info
we can constify all declarations of struct imx_pinctrl_soc_info.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/freescale/pinctrl-vf610.c b/drivers/pinctrl/freescale/pinctrl-vf610.c
index 42745c6..c078f85 100644
--- a/drivers/pinctrl/freescale/pinctrl-vf610.c
+++ b/drivers/pinctrl/freescale/pinctrl-vf610.c
@@ -318,7 +318,7 @@ static int vf610_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
 	return 0;
 }
 
-static struct imx_pinctrl_soc_info vf610_pinctrl_info = {
+static const struct imx_pinctrl_soc_info vf610_pinctrl_info = {
 	.pins = vf610_pinctrl_pads,
 	.npins = ARRAY_SIZE(vf610_pinctrl_pads),
 	.flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID,