mc_att_control_main: make sure to initialize at least one gyro sensor
mc_att_control_main: make sure to initialize at least one gyro sensor

in HIL mode, gyros are published after mc_att_control started.

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