bmips: add support for NuCom R5010UNv2

The NuCom R5010UNv2 is a wifi fast ethernet router, 2.4 GHz single band
with two external antennas.

Hardware:
 - SoC: Broadcom BCM6328
 - CPU: single core BMIPS4350 V7.5 @ 320Mhz
 - RAM: 64 MB DDR2
 - Flash: 16 MB SPI NOR
 - Ethernet LAN: 4x 100Mbit
 - Wifi 2.4 GHz: Broadcom BCM43217 802.11bgn (onboard)
 - USB: 1x 2.0
 - Buttons: 2x
 - ADSL: yes, unsupported
 - LEDs: 7x
 - UART: yes

Installation via CFE web UI:
  1. Power off the router and press the RESET button
  2. Power on the router and wait 12 or more seconds
  3. Release the RESET button
  4. Browse to http://192.168.1.1 and upload the Openwrt cfe firmware
  5. Wait a few minutes for it to finish

Signed-off-by: Daniel González Cabanelas <dgcbueu@gmail.com>

target/linux/bmips/bcm6328/base-files/etc/board.d/01_leds

@@ -6,6 +6,7 @@
 board_config_update
 
 case "$(board_name)" in
+nucom,r5010unv2 |\
 sercomm,ad1018)
 	ucidef_set_led_usbport "usb" "USB" "green:usb" "usb1-port1" "usb2-port1"
 	;;

target/linux/bmips/bcm6328/base-files/etc/board.d/02_network

@@ -6,7 +6,8 @@ board_config_update
 
 case "$(board_name)" in
 comtrend,ar-5381u |\
-comtrend,ar-5387un)
+comtrend,ar-5387un |\
+nucom,r5010unv2)
 	ucidef_set_bridge_device switch
 	ucidef_set_interface_lan "lan1 lan2 lan3 lan4"
 	;;

target/linux/bmips/bcm6328/base-files/etc/uci-defaults/09_fix_crc

@@ -4,7 +4,8 @@
 
 case "$(board_name)" in
 comtrend,ar-5381u |\
-comtrend,ar-5387un)
+comtrend,ar-5387un |\
+nucom,r5010unv2)
 	mtd fixtrx firmware
 	;;
 esac