ARM: dts: igep0033: Add mmc1 node for SDCARD support.

Add mmc1 dt node to IGEP COM AQUILA board.
Signed-off-by: NEnric Balletbo i Serra <eballetbo@gmail.com>
Signed-off-by: NBenoit Cousson <bcousson@baylibre.com>

arch/arm/boot/dts/am335x-igep0033.dtsi

@@ -44,6 +44,13 @@
 		regulator-max-microvolt = <5000000>;
 		regulator-boot-on;
 	};
+
+	vmmc: fixedregulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "vmmc";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
 };
 
 &am33xx_pinmux {
@@ -180,6 +187,12 @@
 	};
 };
 
+&mmc1 {
+	status = "okay";
+	vmmc-supply = <&vmmc>;
+	bus-width = <4>;
+};
+
 &uart0 {
 	status = "okay";
 	pinctrl-names = "default";