ARM: dts: cm-t3x: remove unneeded unit name in connector

This patch fixes the following DTC warnings for omap3-cm-t3517.dtb,
omap3-cm-t3530.dtb and omap3-cm-t3730.dtb:

"connector@1 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/omap3-cm-t3x.dtsi

@@ -57,7 +57,7 @@ ads7846reg: ads7846-reg {
 		regulator-max-microvolt = <3300000>;
 	};
 
-	tv0: connector@1 {
+	tv0: connector {
 		compatible = "svideo-connector";
 		label = "tv";