ARM: dts: omap3/4/5/dra7: remove unneeded unit name for gpio-leds nodes

This patch fixes the following DTC warnings for many boards:

"Node /leds/led@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/dra7-evm.dts

@@ -105,25 +105,25 @@ simple-audio-card,codec {
 
 	leds {
 		compatible = "gpio-leds";
-		led@0 {
+		led0 {
 			label = "dra7:usr1";
 			gpios = <&pcf_lcd 4 GPIO_ACTIVE_LOW>;
 			default-state = "off";
 		};
 
-		led@1 {
+		led1 {
 			label = "dra7:usr2";
 			gpios = <&pcf_lcd 5 GPIO_ACTIVE_LOW>;
 			default-state = "off";
 		};
 
-		led@2 {
+		led2 {
 			label = "dra7:usr3";
 			gpios = <&pcf_lcd 6 GPIO_ACTIVE_LOW>;
 			default-state = "off";
 		};
 
-		led@3 {
+		led3 {
 			label = "dra7:usr4";
 			gpios = <&pcf_lcd 7 GPIO_ACTIVE_LOW>;
 			default-state = "off";

arch/arm/boot/dts/omap3-pandora-common.dtsi

@@ -45,28 +45,28 @@ gpio-leds {
 		pinctrl-names = "default";
 		pinctrl-0 = <&led_pins>;
 
-		led@1 {
+		led1 {
 			label = "pandora::sd1";
 			gpios = <&gpio5 0 GPIO_ACTIVE_HIGH>;	/* GPIO_128 */
 			linux,default-trigger = "mmc0";
 			default-state = "off";
 		};
 
-		led@2 {
+		led2 {
 			label = "pandora::sd2";
 			gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;	/* GPIO_129 */
 			linux,default-trigger = "mmc1";
 			default-state = "off";
 		};
 
-		led@3 {
+		led3 {
 			label = "pandora::bluetooth";
 			gpios = <&gpio5 30 GPIO_ACTIVE_HIGH>;	/* GPIO_158 */
 			linux,default-trigger = "heartbeat";
 			default-state = "off";
 		};
 
-		led@4 {
+		led4 {
 			label = "pandora::wifi";
 			gpios = <&gpio5 31 GPIO_ACTIVE_HIGH>;	/* GPIO_159 */
 			linux,default-trigger = "mmc2";

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

@@ -79,7 +79,7 @@ hsusb3_phy: hsusb3_phy {
 
 	leds {
 		compatible = "gpio-leds";
-		led@1 {
+		led1 {
 			label = "omap5:blue:usr1";
 			gpios = <&gpio5 25 GPIO_ACTIVE_HIGH>; /* gpio5_153 D1 LED */
 			linux,default-trigger = "heartbeat";

arch/arm/boot/dts/omap5-cm-t54.dts

@@ -72,7 +72,7 @@ hsusb3_phy: hsusb3_phy {
 
 	leds {
 		compatible = "gpio-leds";
-		led@1 {
+		led1 {
 			label = "Heartbeat";
 			gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>; /* gpio3_80 ACT_LED */
 			linux,default-trigger = "heartbeat";