stm32/accel: Switch pyb.Accel to use new C-level I2C API.
stm32/accel: Switch pyb.Accel to use new C-level I2C API.

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