ardrone interface: reduce stack size
ardrone interface: reduce stack size

Conflicts:
	src/drivers/ardrone_interface/ardrone_interface.c

mje-nz/PX4-Firmware,Aerotenna/Firmware,PX4/Firmware,Aerotenna/Firmware,dagar/Firmware,krbeverx/Firmware,jlecoeur/Firmware,mcgill-robotics/Firmware,jlecoeur/Firmware,mje-nz/PX4-Firmware,PX4/Firmware,Aerotenna/Firmware,PX4/Firmware,jlecoeur/Firmware,PX4/Firmware,jlecoeur/Firmware,jlecoeur/Firmware,dagar/Firmware,PX4/Firmware,acfloria/Firmware,mcgill-robotics/Firmware,krbeverx/Firmware,acfloria/Firmware,PX4/Firmware,dagar/Firmware,mcgill-robotics/Firmware,krbeverx/Firmware,acfloria/Firmware,darknight-007/Firmware,mje-nz/PX4-Firmware,mje-nz/PX4-Firmware,mje-nz/PX4-Firmware,mje-nz/PX4-Firmware,Aerotenna/Firmware,dagar/Firmware,darknight-007/Firmware,krbeverx/Firmware,jlecoeur/Firmware,darknight-007/Firmware,mcgill-robotics/Firmware,acfloria/Firmware,krbeverx/Firmware,darknight-007/Firmware,dagar/Firmware,krbeverx/Firmware,Aerotenna/Firmware,mje-nz/PX4-Firmware,PX4/Firmware,Aerotenna/Firmware,dagar/Firmware,mcgill-robotics/Firmware,mcgill-robotics/Firmware,mcgill-robotics/Firmware,dagar/Firmware,acfloria/Firmware,jlecoeur/Firmware,Aerotenna/Firmware,jlecoeur/Firmware,acfloria/Firmware,krbeverx/Firmware,acfloria/Firmware,darknight-007/Firmware