[][MAC80211][hostapd][Add hostapd three wire PTA control]

Add three wire hostapd init set from config file

Init set from config file
Add three wire configuration into hostapd configuration file.
val=0: disable ext0 and ext1
    1: enable ext0 and disable ext1
    2: disable ext0 and enable ext1
    3: enable ext0 and ext1


Change-Id: Iad9332a1326715523addcdff262478acd84d4e86
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6446559
1 file changed