ARM: tegra: Hook up SDMMC3 power-supply on Venice2

The SDMMC3 interface is supplied with 1.8V by the PMICs LDO6.
Signed-off-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NStephen Warren <swarren@nvidia.com>

arch/arm/boot/dts/tegra124-venice2.dts

@@ -761,12 +761,10 @@
 					regulator-max-microvolt = <1200000>;
 				};
 
-				ldo6 {
+				vddio_sdmmc3: ldo6 {
 					regulator-name = "+VDDIO_SDMMC3";
 					regulator-min-microvolt = <1800000>;
 					regulator-max-microvolt = <3300000>;
-					regulator-boot-on;
-					regulator-always-on;
 				};
 
 				ldo7 {
@@ -928,6 +926,7 @@
 		power-gpios = <&gpio TEGRA_GPIO(R, 0) GPIO_ACTIVE_HIGH>;
 		status = "okay";
 		bus-width = <4>;
+		vmmc-supply = <&vddio_sdmmc3>;
 	};
 
 	sdhci@700b0600 {