arm64: dts: fsl-imx8mq-som.dtsi: add regulator to power pcie

Change for phanbell corresponding to change MLK-25349-2  for evk dts

Change-Id: I82ecf557a55ef80337b4e093e9931b460211698b

arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi

diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi b/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
index 40230ef..b948077 100644
--- a/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-imx8mq-som.dtsi
@@ -332,6 +332,7 @@
 	pinctrl-0 = <&pinctrl_pcie0>;
 	disable-gpio = <&gpio3 11 GPIO_ACTIVE_LOW>;
 	reset-gpio = <&gpio3 10 GPIO_ACTIVE_LOW>;
+	vph-supply = <&ldo7_reg>;
 	fsl,max-link-speed = <1>;
 	status = "okay";
 };
@@ -341,6 +342,7 @@
 	pinctrl-0 = <&pinctrl_pcie1>;
 	reset-gpio = <&gpio3 18 GPIO_ACTIVE_LOW>;
 	ext_osc = <1>;
+	vph-supply = <&ldo7_reg>;
 	hard-wired = <1>;
 	status = "okay";
 };