1. porting MorseMicro HaLow driver to support HaLow on EAP112
2. Only support FCC regulation because of hardware limitation
3. Add /etc/init.d/halow-gpio-reset to initialize HaLow chip in early stage
4. Add /etc/uci-defaults/aaa-fix-phy0-to-morse to correct the default uci for HaLow radio.
Signed-off-by: Ian Chen <ian77_chen@accton.com>