bmips: add support for Comtrend WAP-5813n

The Comtrend WAP-5813n is a wifi gigabit router, 2.4 GHz single band with
two external antennas.

Hardware:
 - SoC: Broadcom BCM6369
 - CPU: dual core BMIPS4350 @ 400Mhz
 - RAM: 64 MB DDR
 - Flash: 8 MB parallel NOR
 - LAN switch: Broadcom BCM53115, 5x 1Gbit
 - Wifi 2.4 GHz: miniPCI Broadcom BCM4322 802.11bgn
 - USB: 1x 2.0 (optional)
 - Buttons: 3x (reset)
 - LEDs: yes
 - UART: yes

Installation via CFE web UI:
  1. Power off the router.
  2. Press reset button near the power switch.
  3. Keep it pressed while powering up during ~20+ seconds.
  4. Browse to http://192.168.1.1 and upload the firmware.
  5. Wait a few minutes for it to finish.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

target/linux/bmips/bcm6368/base-files/etc/board.d/01_leds

@@ -6,6 +6,9 @@
 board_config_update
 
 case "$(board_name)" in
+comtrend,wap-5813n)
+	ucidef_set_led_usbport "usb" "USB" "green:usb" "usb1-port1" "usb2-port1"
+	;;
 netgear,dgnd3700-v1 |\
 netgear,dgnd3800b)
 	ucidef_set_led_netdev "lan" "LAN" "green:lan" "switch.1"

target/linux/bmips/bcm6368/base-files/etc/board.d/02_network

@@ -14,6 +14,7 @@ comtrend,vr-3025un)
 	ucidef_set_bridge_device switch
 	ucidef_set_interface_lan "lan1 lan2 lan3 iptv"
 	;;
+comtrend,wap-5813n |\
 netgear,dgnd3700-v1 |\
 netgear,dgnd3800b |\
 netgear,evg2000)

target/linux/bmips/bcm6368/base-files/etc/uci-defaults/09_fix_crc

@@ -5,6 +5,7 @@
 case "$(board_name)" in
 comtrend,vr-3025u |\
 comtrend,vr-3025un |\
+comtrend,wap-5813n |\
 netgear,evg2000 |\
 observa,vh4032n)
 	mtd fixtrx firmware