Fix WINC's firmware_verify.
Fix WINC's firmware_verify.

openmv/openmv,kwagyeman/openmv,openmv/openmv,iabdalkader/openmv,iabdalkader/openmv,iabdalkader/openmv,openmv/openmv,openmv/openmv,kwagyeman/openmv,kwagyeman/openmv,iabdalkader/openmv,kwagyeman/openmv