nrf5/modules/machine: Adding __WFI() on machine.deepsleep()
nrf5/modules/machine: Adding __WFI() on machine.deepsleep()

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