ARM: dts: imx23-olinuxino: Use pinctrl for gpio-led

Since commit 8fe4554f (leds: leds-gpio: adopt pinctrl support) gpio-led driver
has pinctrl support, so setup the gpio led pin via pinctrl and avoid the
following warning:

leds-gpio leds.5: pins are not configured from the driver

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx23-olinuxino.dts

@@ -40,6 +40,15 @@
 					reg = <0>;
 					fsl,pinmux-ids = <
 						0x2013 /* MX23_PAD_SSP1_DETECT__GPIO_2_1 */
+					>;
+					fsl,drive-strength = <0>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <0>;
+				};
+
+				led_pin_gpio0_17: led_gpio0_17@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
 						0x0113 /* MX23_PAD_GPMI_ALE__GPIO_0_17 */
 					>;
 					fsl,drive-strength = <0>;
@@ -91,6 +100,8 @@
 
 	leds {
 		compatible = "gpio-leds";
+		pinctrl-names = "default";
+		pinctrl-0 = <&led_pin_gpio0_17>;
 
 		user {
 			label = "green";