Fix build with multi-partition disabled.
Fix build with multi-partition disabled.

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