atmel-samd: Add time.ticks_diff function from esp port.
atmel-samd: Add time.ticks_diff function from esp port.

turbinenreiter/micropython,adafruit/circuitpython,turbinenreiter/micropython,turbinenreiter/micropython,adafruit/micropython,adafruit/micropython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/micropython,adafruit/micropython,adafruit/micropython,turbinenreiter/micropython,turbinenreiter/micropython,adafruit/circuitpython