modules: update openwrt

cdc907abed ath79: read back reset register
5ad05681f2 ath79: add support for UniFi UK-Ultra
e214118148 ath79: move UniFi AC template into common
4103958e76 mediatek: fix BPI-R3 wifi mac address
2fe497c4a5 mac80211: do not emit VHT160 capabilities if channel width is less than 160 MHz
9cd0023e54 hostapd: add missing NULL pointer check on radar notification