nrf5/hal: Updating hal_adc header to use correct Type for ADC on nrf52.
nrf5/hal: Updating hal_adc header to use correct Type for ADC on nrf52.

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