arm64: dts: mt8173-evb: enable HDMI output

Add an HDMI connector node and enable the devices that are part of the
HDMI display path: cec, dpi0, hdmi_phy, and hdmi0.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8173-evb.dts

@@ -42,6 +42,44 @@ usb_p1_vbus: regulator@0 {
 		gpio = <&pio 130 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
+
+	connector {
+		compatible = "hdmi-connector";
+		label = "hdmi";
+		type = "d";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&hdmi0_out>;
+			};
+		};
+	};
+};
+
+&cec {
+	status = "okay";
+};
+
+&dpi0 {
+	status = "okay";
+};
+
+&hdmi_phy {
+	status = "okay";
+};
+
+&hdmi0 {
+	status = "okay";
+
+	ports {
+		port@1 {
+			reg = <1>;
+
+			hdmi0_out: endpoint {
+				remote-endpoint = <&hdmi_connector_in>;
+			};
+		};
+	};
 };
 
 &i2c1 {