ar71xx: base-files: cosmetic cleanups in 04_led_migration

Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>

target/linux/ar71xx/base-files/etc/uci-defaults/04_led_migration

@@ -49,45 +49,27 @@ dir-825-c1|\
 dir-835-a1)
 	migrate_leds ":orange:=:amber:" ":wifi_bgn=:wlan2g"
 	;;
-
 dr344)
 	migrate_leds ":red:=:green:" ":yellow:=:green:"
 	;;
-
 gl-ar150)
 	migrate_leds "gl-ar150:wlan=gl-ar150:orange:wlan" "gl-ar150:lan=gl-ar150:green:lan" "gl-ar150:wan=gl-ar150:green:wan"
 	;;
-
-wndap360)
-	migrate_leds "wndap360:=netgear:"
-	;;
-
-wndr3700)
-	migrate_leds "wndr3700:=netgear:"
+wndap360|\
+wndr3700|\
+wnr2000|\
+wnr2200)
+	migrate_leds "${board}:=netgear:"
 	;;
-
-wndr3700v4 | \
+wndr3700v4|\
 wndr4300)
 	migrate_leds ":orange:=:amber:"
 	;;
-
-wnr2000)
-	migrate_leds "wnr2000:=netgear:"
-	;;
-
-wnr2200)
-	migrate_leds "wnr2200:=netgear:"
-	;;
-
-wnr612-v2)
-	migrate_leds "wnr612v2:=netgear:"
-	;;
-
 wnr1000-v2)
 	migrate_leds "wnr1000v2:=netgear:"
 	;;
-
-*)
+wnr612-v2)
+	migrate_leds "wnr612v2:=netgear:"
 	;;
 esac