stm32: Add support for using the Python stack.
stm32: Add support for using the Python stack.

tralamazza/micropython,dmazzella/micropython,ryannathans/micropython,henriknelson/micropython,blazewicz/micropython,pramasoul/micropython,selste/micropython,pramasoul/micropython,kerneltask/micropython,pfalcon/micropython,bvernoux/micropython,adafruit/circuitpython,pozetroninc/micropython,trezor/micropython,kerneltask/micropython,tobbad/micropython,swegener/micropython,selste/micropython,dmazzella/micropython,tralamazza/micropython,adafruit/circuitpython,blazewicz/micropython,henriknelson/micropython,infinnovation/micropython,henriknelson/micropython,adafruit/micropython,henriknelson/micropython,pfalcon/micropython,tobbad/micropython,swegener/micropython,tobbad/micropython,dmazzella/micropython,adafruit/circuitpython,pramasoul/micropython,ryannathans/micropython,bvernoux/micropython,pozetroninc/micropython,blazewicz/micropython,swegener/micropython,selste/micropython,ryannathans/micropython,selste/micropython,pfalcon/micropython,pozetroninc/micropython,MrSurly/micropython,swegener/micropython,trezor/micropython,pfalcon/micropython,blazewicz/micropython,selste/micropython,adafruit/micropython,adafruit/micropython,MrSurly/micropython,kerneltask/micropython,dmazzella/micropython,ryannathans/micropython,trezor/micropython,blazewicz/micropython,bvernoux/micropython,tobbad/micropython,infinnovation/micropython,adafruit/circuitpython,pozetroninc/micropython,henriknelson/micropython,infinnovation/micropython,pfalcon/micropython,kerneltask/micropython,adafruit/micropython,infinnovation/micropython,pozetroninc/micropython,adafruit/circuitpython,pramasoul/micropython,trezor/micropython,pramasoul/micropython,swegener/micropython,adafruit/micropython,kerneltask/micropython,MrSurly/micropython,tralamazza/micropython,tobbad/micropython,ryannathans/micropython,bvernoux/micropython,MrSurly/micropython,adafruit/circuitpython,bvernoux/micropython,tralamazza/micropython,MrSurly/micropython,trezor/micropython,infinnovation/micropython