Added call to rtc_reset() in rtc_init()
Added call to rtc_reset() in rtc_init()

Fix for issue #2872. The rtc_time_source had not been initialized; causing a time.time() call to fail.
adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/circuitpython,adafruit/micropython,adafruit/circuitpython,adafruit/micropython,adafruit/circuitpython,adafruit/micropython,adafruit/micropython,adafruit/micropython