nrf5: Adding -fstack-usage flag to gcc CFLAGS to be able to trace stack usage on modules.
nrf5: Adding -fstack-usage flag to gcc CFLAGS to be able to trace stack usage on modules.

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