arm64: dts: verdin-imx8mm: introduce hdmi-connector

The Lontium LT8912B driver needs a HDMI connector to be connected to
port 1. Introduce this connector to be enabled in a device tree overlay.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi

@@ -53,6 +53,14 @@ key-wakeup {
 		};
 	};
 
+	hdmi_connector: hdmi-connector {
+		compatible = "hdmi-connector";
+		ddc-i2c-bus = <&i2c2>;
+		label = "hdmi";
+		type = "a";
+		status = "disabled";
+	};
+
 	panel_lvds: panel-lvds {
 		compatible = "panel-lvds";
 		backlight = <&backlight>;