ar71xx: add user-space support for TL-WDR3500 board

Based on http://patchwork.openwrt.org/patch/3208/

Thanks-to: Paul Fertser <fercerpav@gmail.com>
Signed-off-by: Gui Iribarren <gui@altermundi.net>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 35424

target/linux/ar71xx/base-files/lib/ar71xx.sh

@@ -126,6 +126,9 @@ tplink_board_detect() {
 	"342000"*)
 		model="TP-Link TL-MR3420"
 		;;
+	"350000"*)
+		model="TP-Link TL-WDR3500"
+		;;
 	"360000"*)
 		model="TP-Link TL-WDR3600"
 		;;
@@ -375,6 +378,9 @@ ar71xx_board_detect() {
 	*"TL-WA901ND v2")
 		name="tl-wa901nd-v2"
 		;;
+	*"TL-WDR3500")
+		name="tl-wdr3500"
+		;;
 	*"TL-WDR3600/4300/4310")
 		name="tl-wdr4300"
 		;;

target/linux/ar71xx/base-files/lib/upgrade/platform.sh

@@ -160,6 +160,7 @@ platform_check_image() {
 	tl-wa7510n | \
 	tl-wa901nd | \
 	tl-wa901nd-v2 | \
+	tl-wdr3500 | \
 	tl-wdr4300 | \
 	tl-wr703n | \
 	tl-wr741nd | \