ARM: dts: imx6ul: segin: Fix LED naming for phyCORE and PEB-EVAL-01

Fix node name for the user LEDs to prevent the pinctrl of the phyCORE's
leds node from being overwritten. Also use more generic names for user
LEDs.

Signed-off-by: Stefan Riedmueller <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

arch/arm/boot/dts/imx6ul-phytec-phycore-som.dtsi

···
 		pinctrl-0 = <&pinctrl_gpioleds_som>;
 		compatible = "gpio-leds";
 
-		led_green {
-			label = "phycore:green";
+		phycore-green {
 			gpios = <&gpio5 4 GPIO_ACTIVE_HIGH>;
 			linux,default-trigger = "heartbeat";
 		};

arch/arm/boot/dts/imx6ul-phytec-segin-peb-eval-01.dtsi

···
 		};
 	};
 
-	user_leds: leds {
+	user_leds: user-leds {
 		compatible = "gpio-leds";
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_user_leds>;
 		status = "disabled";
 
-		led_yellow {
-			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
-			linux,default-trigger = "default-on";
+		user-led1 {
+			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "gpio";
+			default-state = "on";
 		};
 
-		led_red {
-			gpios = <&gpio1 10 GPIO_ACTIVE_HIGH>;
-			linux,default-trigger = "default-on";
+		user-led2 {
+			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "gpio";
+			default-state = "on";
 		};
 	};
 };