esp32: Update IDF v4.0 supported hash to v4.0.1.
esp32: Update IDF v4.0 supported hash to v4.0.1.

The main fix relevant to MicroPython is https://github.com/espressif/esp-idf/issues/4196

Release notes here
https://github.com/espressif/esp-idf/releases/tag/v4.0.1

bvernoux/micropython,adafruit/circuitpython,pramasoul/micropython,henriknelson/micropython,bvernoux/micropython,kerneltask/micropython,adafruit/circuitpython,selste/micropython,pramasoul/micropython,henriknelson/micropython,bvernoux/micropython,adafruit/circuitpython,henriknelson/micropython,MrSurly/micropython,MrSurly/micropython,kerneltask/micropython,selste/micropython,MrSurly/micropython,henriknelson/micropython,pramasoul/micropython,selste/micropython,henriknelson/micropython,MrSurly/micropython,selste/micropython,selste/micropython,adafruit/circuitpython,pramasoul/micropython,adafruit/circuitpython,kerneltask/micropython,adafruit/circuitpython,pramasoul/micropython,kerneltask/micropython,bvernoux/micropython,bvernoux/micropython,MrSurly/micropython,kerneltask/micropython