ARM: dts: am335x: Fix TDA998x ports addressing

Fix addressing in the NXP TDA998x HDMI transmitters' subnodes:
- Add missing #{address,size}-cells properties to ports capsule,
- Add missing reg properties to port child nodes,
- Drop bogus unit addresses from endpoint grandchildren nodes.

Signed-off-by: Geert Uytterhoeven <[e-mail]>
Message-Id: <e9ac6[e-mail]>
Signed-off-by: Tony Lindgren <[e-mail]>

arch/arm/boot/dts/am335x-boneblack-hdmi.dtsi

···
 		audio-ports = <	TDA998x_I2S	0x03>;
 
 		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			port@0 {
-				hdmi_0: endpoint@0 {
+				reg = <0>;
+
+				hdmi_0: endpoint {
 					remote-endpoint = <&lcdc_0>;
 				};
 			};

arch/arm/boot/dts/am335x-myirtech-myd.dts

···
 		#sound-dai-cells = <0>;
 
 		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+
 			port@0 {
-				hdmi_0: endpoint@0 {
+				reg = <0>;
+
+				hdmi_0: endpoint {
 					remote-endpoint = <&lcdc_0>;
 				};
 			};