Added new uci-defaults scripts to fix a wifi channel issue (not working when...

Added new uci-defaults scripts to fix a wifi channel issue (not working when channel is not standard)

packages/qmp-small-node/files/etc/uci-defaults/qmp_wifi_restart

+#!/bin/sh
+
+# Temporal script to re-enable wifi after the boot
+# this is to fix a temporaly issue when you are using non-standard wifi chanels
+
+sed -i -e "/^exit 0/d" /etc/rc.local
+echo "wifi" >> /etc/rc.local
+