ARM: dts: keystone-k2g-evm: Add "vqmmc-supply" property for mmc0/mmc1

Add "vqmmc-supply" property for mmc0/mmc1 to indicate the supply connected
to the IO lines. Also add dt node for ldo1 regulator required for mmc1
vqmmc-supply.

Signed-off-by: Kishon Vijay Abraham I <[e-mail]>
Signed-off-by: Santosh Shilimkar <[e-mail]>

arch/arm/boot/dts/keystone-k2g-evm.dts

···
 		regulator-max-microvolt = <3300000>;
 		regulator-always-on;
 	};
+
+	vcc1v8_ldo1_reg: fixedregulator-vcc1v8-ldo1 {
+		compatible = "regulator-fixed";
+		regulator-name = "ldo1";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
 };
 
 &k2g_pinctrl {
···
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
 	vmmc-supply = <&vcc3v3_dcin_reg>;
+	vqmmc-supply = <&vcc3v3_dcin_reg>;
 	cd-gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
 	status = "okay";
 };
···
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc1_pins>;
 	vmmc-supply = <&vcc3v3_dcin_reg>; /* VCC3V3_EMMC is connected to VCC3V3_DCIN */
+	vqmmc-supply = <&vcc1v8_ldo1_reg>;
 	ti,non-removable;
 	status = "okay";
 };