Make sure we dont lose the compat_version (#1697)

files/etc/uci-defaults/11_compat_version

@@ -1,8 +0,0 @@
-#! /bin/sh
-VER=$(jsonfilter -e '@.system.compat_version' < /etc/board.json)
-if [ "${VER}" != "" ]; then
-    uci -c /etc/config.mesh -q set setup.globals.compat_version=${VER}
-    uci -c /etc/config.mesh commit setup
-    uci -q set system.@system[0].compat_version=${VER}
-    uci -q commit system
-fi

files/usr/local/bin/aredn_init

@@ -175,6 +175,12 @@ if wifi_enable == 0 then
     cfg.wifi_enable = wifi_enable
 end
 
+-- Make sure compat version is correct
+local system = aredn.hardware.get_board().system
+if system and system.compat_version then
+    cfg.compat_version = system.compat_version
+end
+
 -- Radio
 if aredn.hardware.get_radio_count() > 0 and cfg.wifi_intf == "" then
     local wifi_intf = "wlan0"