From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Fri, 1 Apr 2016 23:19:16 +0200
Subject: ar71xx: avoid AR71XX_MODEL ending with a space on some TP-LINK-like devices

Instead of adding the space when combining $model and $hwver, add the space
to the beginning of $hwver, so the resulting string won't end with a space
when $hwver is set to the empty string.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>

Backport of r49106

diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index e7b3cd2..180a075 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -133,7 +133,7 @@ tplink_board_detect() {
 	hwid=$(tplink_get_hwid)
 	mid=$(tplink_get_mid)
 	hwver=${hwid:6:2}
-	hwver="v${hwver#0}"
+	hwver=" v${hwver#0}"
 
 	case "$hwid" in
 	"015000"*)
@@ -196,8 +196,8 @@ tplink_board_detect() {
 	"083000"*)
 		model="TP-Link TL-WA830RE"
 
-		if [ "$hwver" = 'v10' ]; then
-			hwver='v1'
+		if [ "$hwver" = ' v10' ]; then
+			hwver=' v1'
 		fi
 		;;
 	"084100"*)
@@ -296,7 +296,7 @@ tplink_board_detect() {
 		;;
 	esac
 
-	AR71XX_MODEL="$model $hwver"
+	AR71XX_MODEL="$model$hwver"
 }
 
 tplink_pharos_get_model_string() {