arm64: dts: renesas: Add missing ADV751[13] power supply properties

make dtbs_check:

    arch/arm64/boot/dts/renesas/r8a77990-ebisu.dtb: hdmi-encoder@39: 'avdd-supply' is a required property
	    from schema $id: http://devicetree.org/schemas/display/bridge/adi,adv7511.yaml#
    arch/arm64/boot/dts/renesas/r8a77990-ebisu.dtb: hdmi-encoder@39: 'dvdd-supply' is a required property
	    from schema $id: http://devicetree.org/schemas/display/bridge/adi,adv7511.yaml#
    arch/arm64/boot/dts/renesas/r8a77990-ebisu.dtb: hdmi-encoder@39: 'pvdd-supply' is a required property
	    from schema $id: http://devicetree.org/schemas/display/bridge/adi,adv7511.yaml#
    arch/arm64/boot/dts/renesas/r8a77990-ebisu.dtb: hdmi-encoder@39: 'dvdd-3v-supply' is a required property
	    from schema $id: http://devicetree.org/schemas/display/bridge/adi,adv7511.yaml#
    arch/arm64/boot/dts/renesas/r8a77990-ebisu.dtb: hdmi-encoder@39: 'bgvdd-supply' is a required property
	    from schema $id: http://devicetree.org/schemas/display/bridge/adi,adv7511.yaml#
    ...

Fix this by adding the missing power supply properties.
Add fixed regulators where needed.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/4d58019b2f5f7ce026a5b671ac54aab79a58b278.1698068647.git.geert+renesas@glider.be

arch/arm64/boot/dts/renesas/draak.dtsi

@@ -374,6 +374,12 @@ hdmi-encoder@39 {
 		interrupt-parent = <&gpio1>;
 		interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
 
+		avdd-supply = <&reg_1p8v>;
+		dvdd-supply = <&reg_1p8v>;
+		pvdd-supply = <&reg_1p8v>;
+		dvdd-3v-supply = <&reg_3p3v>;
+		bgvdd-supply = <&reg_1p8v>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";

arch/arm64/boot/dts/renesas/ebisu.dtsi

@@ -403,6 +403,12 @@ hdmi-encoder@39 {
 		interrupt-parent = <&gpio1>;
 		interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
 
+		avdd-supply = <&reg_1p8v>;
+		dvdd-supply = <&reg_1p8v>;
+		pvdd-supply = <&reg_1p8v>;
+		dvdd-3v-supply = <&reg_3p3v>;
+		bgvdd-supply = <&reg_1p8v>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";

arch/arm64/boot/dts/renesas/r8a77970-eagle.dts

@@ -29,6 +29,15 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	d1p8: regulator-fixed {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
 	d3p3: regulator-fixed {
 		compatible = "regulator-fixed";
 		regulator-name = "fixed-3.3V";
@@ -166,6 +175,12 @@ hdmi@39 {
 		interrupt-parent = <&gpio1>;
 		interrupts = <20 IRQ_TYPE_LEVEL_LOW>;
 
+		avdd-supply = <&d1p8>;
+		dvdd-supply = <&d1p8>;
+		pvdd-supply = <&d1p8>;
+		dvdd-3v-supply = <&d3p3>;
+		bgvdd-supply = <&d1p8>;
+
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";