apm821xx: add support for the Cisco Meraki MR24

This patch adds support for the Cisco Meraki MR24 Access point
to the apm821xx target.

Board:		MR24 - Meraki MR24 Cloud Managed Access Point
CPU:		APM82181 SoC 800 MHz (PLB=200 OPB=100 EBC=100)
Flash size:	32MiB
RAM Size:	128MiB
Wireless:	Atheros AR9380 5.0GHz + Atheros AR9380 2.4GHz
Ethernet ports:	1x Gigabit Atheros AR8035

WARNING: The serial port needs a TTL/RS-232 v3.3 level converter!

For flashing instructions, visit:
<https://github.com/riptidewave93/Openwrt-MR24/blob/master/README.md#flashing>

Signed-off-by: Chris Blake <chrisrblake93@gmail.com>

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

@@ -8,6 +8,14 @@ board_config_update
 board=$(apm821xx_board_name)
 
 case "$board" in
+mr24)
+	ucidef_set_led_netdev "wan" "WAN" "mr24:green:wan" "eth0"
+	ucidef_set_led_wlan "wlan1" "WLAN1" "mr24:green:wifi1" "phy0assoc"
+	ucidef_set_led_wlan "wlan2" "WLAN2" "mr24:green:wifi2" "phy0assoc"
+	ucidef_set_led_wlan "wlan3" "WLAN3" "mr24:green:wifi3" "phy0assoc"
+	ucidef_set_led_wlan "wlan4" "WLAN4" "mr24:green:wifi4" "phy0tpt"
+	;;
+
 *)
 	;;
 esac

target/linux/apm821xx/base-files/etc/board.d/02_network

@@ -9,6 +9,9 @@ board_config_update
 board=$(apm821xx_board_name)
 
 case "$board" in
+mr24)
+	ucidef_set_interface_lan "eth0"
+	;;
 *)
 	ucidef_set_interfaces_lan_wan "eth0" "eth1"
 	;;

target/linux/apm821xx/base-files/etc/diag.sh

@@ -5,6 +5,10 @@
 
 get_status_led() {
 	case $(apm821xx_board_name) in
+	mr24)
+		status_led="mr24:green:power"
+		;;
+
 	*)
 		;;
 	esac