ramips: improve LED support for D-Link DIR-615 D series

This patch adds a trigger for the WAN LED and enhances support for
the WiFi LED by enabling activity indication.

This is based on bug report feedback (see reference below).

While at it, update the LED node names in DTS file.

Fixes: FS#732

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

target/linux/ramips/dts/rt3050_dlink_dir-615-d.dts

@@ -74,23 +74,23 @@
 	leds {
 		compatible = "gpio-leds";
 
-		status {
+		status_amber {
 			label = "dir-615-d:amber:status";
 			gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
 		};
 
-		led_status_green: status2 {
+		led_status_green: status_green {
 			label = "dir-615-d:green:status";
 			gpios = <&gpio0 9 GPIO_ACTIVE_LOW>;
 			default-state = "on";
 		};
 
-		wan {
+		wan_amber {
 			label = "dir-615-d:amber:wan";
 			gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
 		};
 
-		wan2 {
+		wan_green {
 			label = "dir-615-d:green:wan";
 			gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
 		};

target/linux/ramips/rt305x/base-files/etc/board.d/01_leds

@@ -33,7 +33,6 @@ dlink,dir-300-b7|\
 dlink,dir-320-b1|\
 dlink,dir-600-b1|\
 dlink,dir-610-a1|\
-dlink,dir-615-d|\
 dlink,dir-615-h1|\
 dlink,dir-620-a1|\
 engenius,esr-9753|\
@@ -66,6 +65,10 @@ asiarf,awapn2403)
 dlink,dcs-930l-b1)
 	ucidef_set_led_netdev "wifi" "WiFi" "$boardname:blue:wps"
 	;;
+dlink,dir-615-d)
+	ucidef_set_led_netdev "wan" "WAN (green)" "$boardname:green:wan" "eth0.2"
+	set_wifi_led "rt2800soc-phy0::radio"
+	;;
 dlink,dir-620-d1|\
 trendnet,tew-714tru)
 	set_wifi_led "$boardname:green:wifi"