apm821xx: add disk-activity triggers via DT.

The WNDR4700 and the MBL have a dedicated HDD activity LED.
This patch adds the default led triggers to the DTS and
removes the entries in 01_leds.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

target/linux/apm821xx/base-files/etc/board.d/01_leds

@@ -23,12 +23,7 @@ meraki,mx60)
 	ucidef_set_led_switch "lan4" "LAN4" "mx60:green:lan4" "switch0" "0x02"
 	;;
 
-wd,mybooklive)
-	ucidef_set_led_ide "sata" "SATA" "mbl:blue:power"
-	;;
-
 netgear,wndr4700)
-	ucidef_set_led_ide "sata" "SATA" "wndr4700:green:hd"
 	ucidef_set_led_switch "wan_green" "WAN (green)" "wndr4700:green:wan" "switch0" "0x20"
 	ucidef_set_led_netdev "wan_yellow" "WAN (yellow)" "wndr4700:yellow:wan" "eth0.2" "tx rx"
 	ucidef_set_led_usbport "usb3" "USB3" "wndr4700:blue:usb" "usb2-port1" "usb2-port2" "usb3-port1" "usb3-port2"

target/linux/apm821xx/dts/netgear-wndr4700.dts

@@ -390,6 +390,7 @@
 		hd-green {
 			label = "wndr4700:green:hd";
 			gpios = <&GPIO0 14 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "disk-activity";
 		};
 
 		hd-red {

target/linux/apm821xx/dts/wd-mybooklive.dts

@@ -103,6 +103,7 @@
 		power-blue {
 			label = "mbl:blue:power";
 			gpios = <&GPIO1 6 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "disk-activity";
 		};
 	};