ARM: dts: msm: Add the refgen node for khaje

Add the refgen node for khaje, as it is required
for DSI_PHY.

Change-Id: I9d08c8917bbe73d100f68ab4f815ae5935194ea4

qcom/khaje-regulator.dtsi

@@ -139,3 +139,14 @@
 	regulator-max-microvolt = <3544000>;
 	qcom,init-voltage = <2960000>;
 };
+
+&soc {
+	refgen: refgen-regulator@1600000 {
+		compatible = "qcom,refgen-kona-regulator";
+		reg = <0x1600000 0x84>;
+		regulator-name = "refgen";
+		regulator-enable-ramp-delay = <5>;
+		proxy-supply = <&refgen>;
+		qcom,proxy-consumer-enable;
+	};
+};