pinctrl: imx: switch to use the generic pinmux property

The generic pinmux property seems to be more suitable for IMX.
So we change to use 'pinmux' instead of 'pins'.

Cc: Bai Ping <ping.bai@nxp.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

drivers/pinctrl/freescale/pinctrl-imx.c

@@ -563,14 +563,14 @@ static int imx_pinctrl_parse_groups(struct device_node *np,
 	 * do sanity check and calculate pins number
 	 *
 	 * First try legacy 'fsl,pins' property, then fall back to the
-	 * generic 'pins'.
+	 * generic 'pinmux'.
 	 *
-	 * Note: for generic 'pins' case, there's no CONFIG part in
+	 * Note: for generic 'pinmux' case, there's no CONFIG part in
 	 * the binding format.
 	 */
 	list = of_get_property(np, "fsl,pins", &size);
 	if (!list) {
-		list = of_get_property(np, "pins", &size);
+		list = of_get_property(np, "pinmux", &size);
 		if (!list) {
 			dev_err(info->dev,
 				"no fsl,pins and pins property in node %s\n",