ARM: nomadik: register VMMC regulator

This adds the STw481x VMMC regulator to the Nomadik
device tree.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/ste-nomadik-stn8815.dtsi

@@ -709,6 +709,12 @@ i2c0 {
 		stw4811@2d {
 			compatible = "st,stw4811";
 			reg = <0x2d>;
+			vmmc_regulator: vmmc {
+				compatible = "st,stw481x-vmmc";
+				regulator-name = "VMMC";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
 		};
 	};
 
@@ -839,6 +845,7 @@ mmcsd: sdi@101f6000 {
 			cd-inverted;
 			pinctrl-names = "default";
 			pinctrl-0 = <&mmcsd_default_mux>, <&mmcsd_default_mode>;
+			vmmc-supply = <&vmmc_regulator>;
 		};
 	};
 };