ath79: use both WNDR3x00 power leds for boot status indication

Use the orange led by default to match the bootloader/stock firmware
behaviour. Turn on the green power led after boot to indicate a
finished boot and the orange one off.

Signed-off-by: Dmitry Tunin <hanipouspilot@gmail.com>
[reword commit message, keep orange power led enabled during early
kernel boot]
Signed-off-by: Mathias Kresin <dev@kresin.me>

target/linux/ath79/dts/ar7161_netgear_wndr3700.dtsi

@@ -8,10 +8,10 @@
 
 / {
 	aliases {
-		led-boot = &power_green;
-		led-failsafe = &power_green;
+		led-boot = &power_orange;
+		led-failsafe = &power_orange;
 		led-running = &power_green;
-		led-upgrade = &power_green;
+		led-upgrade = &power_orange;
 	};
 
 	chosen {
@@ -51,10 +51,10 @@
 			default-state = "off";
 		};
 
-		power_orange {
+		power_orange: power_orange {
 			label = "netgear:orange:power";
 			gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
-			default-state = "off";
+			default-state = "on";
 		};
 
 		wps_green {