esp8266/main.c: Clear the command line history when (re)booting.
esp8266/main.c: Clear the command line history when (re)booting.

Not clearing the command line history sometimes results in strange output
when going back after a reset.

blazewicz/micropython,redbear/micropython,mhoffma/micropython,pozetroninc/micropython,dxxb/micropython,deshipu/micropython,pfalcon/micropython,pramasoul/micropython,infinnovation/micropython,Peetz0r/micropython-esp32,Peetz0r/micropython-esp32,tobbad/micropython,kerneltask/micropython,oopy/micropython,jmarcelino/pycom-micropython,jmarcelino/pycom-micropython,micropython/micropython-esp32,cwyark/micropython,tralamazza/micropython,dxxb/micropython,cwyark/micropython,henriknelson/micropython,ganshun666/micropython,micropython/micropython-esp32,MrSurly/micropython-esp32,lowRISC/micropython,ryannathans/micropython,pozetroninc/micropython,MrSurly/micropython,micropython/micropython-esp32,MrSurly/micropython,alex-robbins/micropython,ganshun666/micropython,matthewelse/micropython,puuu/micropython,matthewelse/micropython,swegener/micropython,adafruit/micropython,mhoffma/micropython,trezor/micropython,ryannathans/micropython,Timmenem/micropython,oopy/micropython,Peetz0r/micropython-esp32,trezor/micropython,adafruit/micropython,trezor/micropython,toolmacher/micropython,blazewicz/micropython,tuc-osg/micropython,kerneltask/micropython,MrSurly/micropython,emfcamp/micropython,AriZuu/micropython,cwyark/micropython,pozetroninc/micropython,dmazzella/micropython,deshipu/micropython,dxxb/micropython,ganshun666/micropython,chrisdearman/micropython,adafruit/circuitpython,turbinenreiter/micropython,pozetroninc/micropython,blazewicz/micropython,mhoffma/micropython,selste/micropython,ganshun666/micropython,alex-robbins/micropython,dxxb/micropython,tuc-osg/micropython,puuu/micropython,pozetroninc/micropython,SHA2017-badge/micropython-esp32,turbinenreiter/micropython,deshipu/micropython,ryannathans/micropython,alex-robbins/micropython,AriZuu/micropython,toolmacher/micropython,HenrikSolver/micropython,hiway/micropython,henriknelson/micropython,tuc-osg/micropython,infinnovation/micropython,redbear/micropython,redbear/micropython,MrSurly/micropython-esp32,pfalcon/micropython,hosaka/micropython,henriknelson/micropython,puuu/micropython,bvernoux/micropython,toolmacher/micropython,ryannathans/micropython,MrSurly/micropython-esp32,alex-robbins/micropython,Timmenem/micropython,alex-march/micropython,TDAbboud/micropython,Peetz0r/micropython-esp32,SHA2017-badge/micropython-esp32,redbear/micropython,lowRISC/micropython,mhoffma/micropython,puuu/micropython,infinnovation/micropython,torwag/micropython,MrSurly/micropython-esp32,torwag/micropython,swegener/micropython,emfcamp/micropython,selste/micropython,pramasoul/micropython,tobbad/micropython,emfcamp/micropython,puuu/micropython,tobbad/micropython,cwyark/micropython,trezor/micropython,SHA2017-badge/micropython-esp32,ryannathans/micropython,deshipu/micropython,tralamazza/micropython,Peetz0r/micropython-esp32,TDAbboud/micropython,infinnovation/micropython,hiway/micropython,adafruit/micropython,adafruit/micropython,MrSurly/micropython,SHA2017-badge/micropython-esp32,turbinenreiter/micropython,matthewelse/micropython,bvernoux/micropython,pfalcon/micropython,HenrikSolver/micropython,chrisdearman/micropython,torwag/micropython,adafruit/circuitpython,redbear/micropython,dmazzella/micropython,adafruit/circuitpython,oopy/micropython,oopy/micropython,hosaka/micropython,alex-march/micropython,PappaPeppar/micropython,Timmenem/micropython,torwag/micropython,emfcamp/micropython,tobbad/micropython,torwag/micropython,adafruit/circuitpython,selste/micropython,chrisdearman/micropython,trezor/micropython,pramasoul/micropython,tralamazza/micropython,pfalcon/micropython,pramasoul/micropython,blazewicz/micropython,tuc-osg/micropython,bvernoux/micropython,TDAbboud/micropython,HenrikSolver/micropython,pramasoul/micropython,tralamazza/micropython,matthewelse/micropython,turbinenreiter/micropython,hiway/micropython,hiway/micropython,blazewicz/micropython,jmarcelino/pycom-micropython,mhoffma/micropython,lowRISC/micropython,dxxb/micropython,alex-march/micropython,cwyark/micropython,PappaPeppar/micropython,PappaPeppar/micropython,henriknelson/micropython,kerneltask/micropython,hosaka/micropython,PappaPeppar/micropython,lowRISC/micropython,swegener/micropython,matthewelse/micropython,hosaka/micropython,adafruit/circuitpython,jmarcelino/pycom-micropython,SHA2017-badge/micropython-esp32,emfcamp/micropython,hosaka/micropython,infinnovation/micropython,kerneltask/micropython,jmarcelino/pycom-micropython,swegener/micropython,alex-march/micropython,MrSurly/micropython,henriknelson/micropython,bvernoux/micropython,tuc-osg/micropython,pfalcon/micropython,ganshun666/micropython,micropython/micropython-esp32,AriZuu/micropython,chrisdearman/micropython,alex-march/micropython,swegener/micropython,HenrikSolver/micropython,MrSurly/micropython-esp32,selste/micropython,toolmacher/micropython,kerneltask/micropython,matthewelse/micropython,PappaPeppar/micropython,dmazzella/micropython,oopy/micropython,selste/micropython,tobbad/micropython,AriZuu/micropython,micropython/micropython-esp32,lowRISC/micropython,bvernoux/micropython,adafruit/circuitpython,TDAbboud/micropython,hiway/micropython,Timmenem/micropython,toolmacher/micropython,adafruit/micropython,alex-robbins/micropython,TDAbboud/micropython,chrisdearman/micropython,HenrikSolver/micropython,deshipu/micropython,dmazzella/micropython,AriZuu/micropython,Timmenem/micropython,turbinenreiter/micropython