extmod/moduhashlib: Allow using the sha256 implementation of mbedTLS.
extmod/moduhashlib: Allow using the sha256 implementation of mbedTLS.

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