octeon: convert to new LED color/function format where possible

Initial conversion to new LED color/function format
and drop label format where possible. The same label
is composed at runtime.

Signed-off-by: Christian Marangi <[email protected]>

target/linux/octeon/files/arch/mips/boot/dts/cavium-octeon/cn7130_ubnt_edgerouter-e300.dtsi

@@ -4,6 +4,7 @@
 
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
 
 / {
 	compatible = "ubnt,edgerouter-e300", "cavium,cn7130";
@@ -32,12 +33,14 @@
 		compatible = "gpio-leds";
 
 		led_power_blue: power_blue {
-			label = "blue:power";
+			function = LED_FUNCTION_POWER;
+			color = <LED_COLOR_ID_BLUE>;
 			gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
 		};
 
 		led_power_white: power_white {
-			label = "white:power";
+			function = LED_FUNCTION_POWER;
+			color = <LED_COLOR_ID_WHITE>;
 			gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
 		};
 	};