mac80211.sh: add map changes
When MAP enabled and
- GW - setup only radios - agent will create required interfaces after ap-autoconfig
- EXTENDER - create one bsta per radio - next agent will use it during onboarding
When reload wifi - send signal to wifimngr. This will refresh wifimngr ubus entries.
Signed-off-by: Janusz Dziedzic janusz.dziedzic@iopsys.eu