wiphy: add two regulatory domain state events

Events to indicate when a regulatory domain wiphy dump has
started and ended. This is important because certain actions
such as scanning need to be delayed until the dump has finished.

src/device.c

@@ -276,6 +276,8 @@ static void device_wiphy_state_changed_event(struct wiphy *wiphy,
 
 	switch (event) {
 	case WIPHY_STATE_WATCH_EVENT_RFKILLED:
+	case WIPHY_STATE_WATCH_EVENT_REGDOM_STARTED:
+	case WIPHY_STATE_WATCH_EVENT_REGDOM_DONE:
 		break;
 	case WIPHY_STATE_WATCH_EVENT_POWERED:
 		if (device->dbus_powered)

src/wiphy.h

@@ -56,6 +56,8 @@ enum {
 enum wiphy_state_watch_event {
 	WIPHY_STATE_WATCH_EVENT_POWERED,
 	WIPHY_STATE_WATCH_EVENT_RFKILLED,
+	WIPHY_STATE_WATCH_EVENT_REGDOM_STARTED,
+	WIPHY_STATE_WATCH_EVENT_REGDOM_DONE,
 };
 
 typedef void (*wiphy_state_watch_func_t)(struct wiphy *wiphy,