ARM: dts: dra7-evm: Add "vqmmc-supply" property for mmc2

Add "vqmmc-supply" property for mmc2 to indicate the supply connected
to the IO lines.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/dra7-evm.dts

@@ -323,6 +323,7 @@ &mmc1 {
 &mmc2 {
 	status = "okay";
 	vmmc-supply = <&evm_1v8_sw>;
+	vqmmc-supply = <&evm_1v8_sw>;
 	bus-width = <8>;
 	pinctrl-names = "default", "hs", "ddr_1_8v-rev11", "ddr_1_8v", "hs200_1_8v-rev11", "hs200_1_8v";
 	pinctrl-0 = <&mmc2_pins_default>;