stabilization → filters Relation

File in sw/airborne/firmwares/rotorcraft/stabilization	Includes file in sw/airborne/filters
stabilization_attitude_heli_indi.c	low_pass_filter.h
stabilization_attitude_heli_indi.h	delayed_first_order_lowpass_filter.h
stabilization_attitude_heli_indi.h	notch_filter.h