nrf5/drivers: Tuning memory lcd driver a bit. Fixing small mp_printf usage bug.
nrf5/drivers: Tuning memory lcd driver a bit. Fixing small mp_printf usage bug.

tralamazza/micropython,adafruit/micropython,adafruit/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/micropython,adafruit/circuitpython,adafruit/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/micropython,tralamazza/micropython,tralamazza/micropython,adafruit/circuitpython,tralamazza/micropython