From: Matthias Schiffer <mschiffer@universe-factory.net>
Date: Wed, 1 Jul 2020 20:54:51 +0200
Subject: ar71xx: add model detection for UniFi AP-LR

The UniFi AP-LR uses the same image as the UniFi AP.

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

diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh
index 9e3819d56ee4384dcf2444f345a3fd35a437cd10..9fbabddf5d1e6156b8aaad32ee0b69bfa854440f 100755
--- a/target/linux/ar71xx/base-files/lib/ar71xx.sh
+++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh
@@ -69,33 +69,36 @@ ubnt_get_mtd_part_magic() {
 }
 
 ubnt_xm_board_detect() {
-	local model
-	local magic
+	local magic="$(ubnt_get_mtd_part_magic)"
+	local band="${magic:3:1}"
 
-	magic="$(ubnt_get_mtd_part_magic)"
-	case ${magic:0:3} in
+	case "${magic:0:3}" in
 	"e00"|\
 	"e01"|\
 	"e80")
-		model="Ubiquiti NanoStation M"
+		AR71XX_MODEL="Ubiquiti NanoStation M${band}"
 		;;
 	"e0a")
-		model="Ubiquiti NanoStation loco M"
+		AR71XX_MODEL="Ubiquiti NanoStation loco M${band}"
 		;;
 	"e1b"|\
 	"e1d")
-		model="Ubiquiti Rocket M"
+		AR71XX_MODEL="Ubiquiti Rocket M${band}"
 		;;
 	"e20"|\
 	"e2d")
-		model="Ubiquiti Bullet M"
+		AR71XX_MODEL="Ubiquiti Bullet M${band}"
 		;;
 	"e30")
-		model="Ubiquiti PicoStation M"
+		AR71XX_MODEL="Ubiquiti PicoStation M${band}"
+		;;
+	"e50")
+		AR71XX_MODEL="Ubiquiti UniFi AP"
+		;;
+	"e51")
+		AR71XX_MODEL="Ubiquiti UniFi AP-LR"
 		;;
 	esac
-
-	[ -z "$model" ] || AR71XX_MODEL="${model}${magic:3:1}"
 }
 
 ubnt_unifi_ac_get_mtd_part_magic() {
@@ -1426,6 +1429,7 @@ ar71xx_board_detect() {
 		;;
 	*"UniFi AP")
 		name="unifi"
+		ubnt_xm_board_detect
 		;;
 	*"UniFi AP-PRO")
 		name="uap-pro"