MK BL CTRL: Fix startup routine to be compliant with signature.
MK BL CTRL: Fix startup routine to be compliant with signature.

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