Remove hard-coded DFU address.
Remove hard-coded DFU address.

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