src/drivers: new FT7 series wind/airflow sensor support (#22471)

- new uorb topic sensor_airflow
 - log sensor_airflow optionally

src/modules/logger/logged_topics.cpp

@@ -100,6 +100,7 @@ void LoggedTopics::add_default_topics()
 	add_optional_topic("px4io_status");
 	add_topic("radio_status");
 	add_topic("rtl_time_estimate", 1000);
+	add_optional_topic("sensor_airflow", 100);
 	add_topic("sensor_combined");
 	add_optional_topic("sensor_correction");
 	add_optional_topic("sensor_gyro_fft", 50);