ARM: dts: i.MX51: imx51-digi-connectcore: Enable ESDHC1

This patch adds definitions for ESDHC1 for Digi Connectore SOM & JSK.
This interface can be used to boot a module.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx51-digi-connectcore-jsk.dts

@@ -21,6 +21,10 @@ chosen {
 	};
 };
 
+&esdhc1 {
+	status = "okay";
+};
+
 &owire {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_owire>;

arch/arm/boot/dts/imx51-digi-connectcore-som.dtsi

@@ -145,6 +145,13 @@ pwgt2spi_reg: pwgt2spi {
 	};
 };
 
+&esdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esdhc1>;
+	max-frequency = <50000000>;
+	bus-width = <1>;
+};
+
 &esdhc2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_esdhc2>;
@@ -234,6 +241,14 @@ MX51_PAD_CSPI1_SS0__GPIO4_24		0x85 /* CS0 */
 			>;
 		};
 
+		pinctrl_esdhc1: esdhc1grp {
+			fsl,pins = <
+				MX51_PAD_SD1_CLK__SD1_CLK		0x400021d5
+				MX51_PAD_SD1_CMD__SD1_CMD		0x400020d5
+				MX51_PAD_SD1_DATA0__SD1_DATA0		0x400020d5
+			>;
+		};
+
 		pinctrl_esdhc2: esdhc2grp {
 			fsl,pins = <
 				MX51_PAD_SD2_CMD__SD2_CMD		0x400020d5