fixed software JPEG encode of 1-bpp images
fixed software JPEG encode of 1-bpp images

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