AV-X mavlink network and companion defaults
AV-X mavlink network and companion defaults

 - start mavlink on network by default (port 14570)
 - start mavlink for TX2 companion by default

dagar/Firmware,acfloria/Firmware,mje-nz/PX4-Firmware,acfloria/Firmware,Aerotenna/Firmware,dagar/Firmware,krbeverx/Firmware,acfloria/Firmware,PX4/Firmware,krbeverx/Firmware,acfloria/Firmware,mje-nz/PX4-Firmware,PX4/Firmware,Aerotenna/Firmware,dagar/Firmware,krbeverx/Firmware,acfloria/Firmware,dagar/Firmware,acfloria/Firmware,krbeverx/Firmware,PX4/Firmware,Aerotenna/Firmware,PX4/Firmware,mje-nz/PX4-Firmware,Aerotenna/Firmware,dagar/Firmware,krbeverx/Firmware,PX4/Firmware,krbeverx/Firmware,mje-nz/PX4-Firmware,mje-nz/PX4-Firmware,krbeverx/Firmware,Aerotenna/Firmware,acfloria/Firmware,Aerotenna/Firmware,PX4/Firmware,Aerotenna/Firmware,mje-nz/PX4-Firmware,PX4/Firmware,dagar/Firmware,mje-nz/PX4-Firmware,dagar/Firmware