NANO33: Update flash size.
NANO33: Update flash size.

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