Fix Portenta sensor power down GPIO.
Fix Portenta sensor power down GPIO.

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