ms5611: check for all zero in the prom
ms5611: check for all zero in the prom

when SPI CLK fails we get all zero data

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