arm64: dts: msm8992 add fixed regulator

This regulator is not moving anywhere.  Sit, stay...
Signed-off-by: Jeremy McNicoll <jeremymc@redhat.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/msm8992.dtsi

@@ -68,6 +68,17 @@ sleep_clk: sleep_clk {
 		clock-frequency = <32768>;
 	};
 
+	vreg_vph_pwr: vreg-vph-pwr {
+		compatible = "regulator-fixed";
+		status = "okay";
+		regulator-name = "vph-pwr";
+
+		regulator-min-microvolt = <3600000>;
+		regulator-max-microvolt = <3600000>;
+
+		regulator-always-on;
+	};
+
 	soc {
 		#address-cells = <1>;
 		#size-cells = <1>;