Make bootloader flash index volatile.
Make bootloader flash index volatile.

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