Add a 'menuconfig' target that makes it possible to use the NuttX menuconfig tool on the PX4 config files.
Add a 'menuconfig' target that makes it possible to use the NuttX menuconfig tool on the PX4 config files.

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