ARM: dts: omap5-board-common: remove unneded unit names

This patch fixes the following DTC warnings for omap5-igep0050.dtb,
omap5-sbc-t54.dtb and omap5-uevm.dtb:

"connector@0 has a unit name, but no reg property"
"endpoint@0 has a unit name, but no reg property"
"encoder@0 has a unit name, but no reg property"
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap5-board-common.dtsi

@@ -64,7 +64,7 @@ led@1 {
 		};
 	};
 
-	tpd12s015: encoder@0 {
+	tpd12s015: encoder {
 		compatible = "ti,tpd12s015";
 
 		pinctrl-names = "default";
@@ -79,7 +79,7 @@ ports {
 			port@0 {
 				reg = <0>;
 
-				tpd12s015_in: endpoint@0 {
+				tpd12s015_in: endpoint {
 					remote-endpoint = <&hdmi_out>;
 				};
 			};
@@ -87,14 +87,14 @@ tpd12s015_in: endpoint@0 {
 			port@1 {
 				reg = <1>;
 
-				tpd12s015_out: endpoint@0 {
+				tpd12s015_out: endpoint {
 					remote-endpoint = <&hdmi_connector_in>;
 				};
 			};
 		};
 	};
 
-	hdmi0: connector@0 {
+	hdmi0: connector {
 		compatible = "hdmi-connector";
 		label = "hdmi";