RP2: Fix debugging text buffer race.
RP2: Fix debugging text buffer race.

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