ARM: imx51: Add a second pinctrl group for i2c2

Add a second pinctrl group of pins for i2c2.
Signed-off-by: NGwenhael Goavec-Merou <gwenhael.goavec-merou@armadeus.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/imx51.dtsi

@@ -360,6 +360,13 @@
 							MX51_PAD_KEY_COL5__I2C2_SDA 0x400001ed
 						>;
 					};
+
+					pinctrl_i2c2_2: i2c2grp-2 {
+						fsl,pins = <
+							MX51_PAD_EIM_D27__I2C2_SCL 0x400001ed
+							MX51_PAD_EIM_D24__I2C2_SDA 0x400001ed
+						>;
+					};
 				};
 
 				ipu_disp1 {