* Switch to bk_wlan_start_sta_adv for specific bssid control.
* Allow split sta/adv_sta configs.
* Add wifi_mode back for regular STA mode.
* Fix apparent bug of setting null/empty wifi key.
Reset STA_ADV_CFG.dhcp_mode in reconnect, as it seems to not survive for some reason.
Do les _CFG setting in reconnect()
* Move all _CFG setting to begin()
* Fix dhcp_mode in STA_ADV_CFG.
* Remove no longer necessary dhcp_mode re-set.
* Formatting cleanups.
* Formatting.
* Update cores/beken-72xx/arduino/libraries/WiFi/WiFiSTA.cpp
* Apply suggestions from code review
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Co-authored-by: Kuba Szczodrzyński <kuba@szczodrzynski.pl>
