ARM: dts: imx6q: Add pinctrl for i2c2 and i2c3

Add groups to allow i2c2 and i2c3 to be used on imx6q.
Signed-off-by: NSean Cross <xobs@kosagi.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx6q.dtsi

@@ -185,6 +185,24 @@
 					};
 				};
 
+				i2c2 {
+					pinctrl_i2c2_1: i2c2grp-1 {
+						fsl,pins = <
+							MX6Q_PAD_EIM_EB2__I2C2_SCL 0x4001b8b1
+							MX6Q_PAD_EIM_D16__I2C2_SDA 0x4001b8b1
+						>;
+					};
+				};
+
+				i2c3 {
+					pinctrl_i2c3_1: i2c3grp-1 {
+						fsl,pins = <
+							MX6Q_PAD_EIM_D17__I2C3_SCL 0x4001b8b1
+							MX6Q_PAD_EIM_D18__I2C3_SDA 0x4001b8b1
+						>;
+					};
+				};
+
 				uart1 {
 					pinctrl_uart1_1: uart1grp-1 {
 						fsl,pins = <