py/map: Allow to trace rehashing operations.
py/map: Allow to trace rehashing operations.

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