tools: Allow pyboard constructor to take a baudrate parameter.
tools: Allow pyboard constructor to take a baudrate parameter.

This allows pyboard.py to be used over a UART interface
rather than just over a USB serial interface.

adafruit/circuitpython,MrSurly/micropython,martinribelotta/micropython,vriera/micropython,misterdanb/micropython,selste/micropython,ganshun666/micropython,lbattraw/micropython,mhoffma/micropython,dinau/micropython,ericsnowcurrently/micropython,utopiaprince/micropython,bvernoux/micropython,oopy/micropython,redbear/micropython,neilh10/micropython,tuc-osg/micropython,galenhz/micropython,mpalomer/micropython,firstval/micropython,alex-robbins/micropython,deshipu/micropython,martinribelotta/micropython,skybird6672/micropython,cloudformdesign/micropython,emfcamp/micropython,mgyenik/micropython,praemdonck/micropython,slzatz/micropython,hosaka/micropython,mianos/micropython,AriZuu/micropython,cloudformdesign/micropython,puuu/micropython,turbinenreiter/micropython,pozetroninc/micropython,Peetz0r/micropython-esp32,supergis/micropython,Peetz0r/micropython-esp32,SHA2017-badge/micropython-esp32,dxxb/micropython,ahotam/micropython,pfalcon/micropython,puuu/micropython,turbinenreiter/micropython,ryannathans/micropython,dmazzella/micropython,drrk/micropython,xyb/micropython,slzatz/micropython,rubencabrera/micropython,redbear/micropython,skybird6672/micropython,swegener/micropython,trezor/micropython,ernesto-g/micropython,vriera/micropython,EcmaXp/micropython,MrSurly/micropython,tuc-osg/micropython,skybird6672/micropython,MrSurly/micropython,infinnovation/micropython,hosaka/micropython,MrSurly/micropython-esp32,Timmenem/micropython,alex-robbins/micropython,skybird6672/micropython,noahchense/micropython,tralamazza/micropython,kostyll/micropython,feilongfl/micropython,lowRISC/micropython,xuxiaoxin/micropython,stonegithubs/micropython,dinau/micropython,matthewelse/micropython,noahchense/micropython,suda/micropython,mianos/micropython,hiway/micropython,dhylands/micropython,praemdonck/micropython,lbattraw/micropython,dhylands/micropython,jmarcelino/pycom-micropython,rubencabrera/micropython,praemdonck/micropython,cnoviello/micropython,oopy/micropython,micropython/micropython-esp32,kostyll/micropython,hosaka/micropython,adafruit/circuitpython,chrisdearman/micropython,henriknelson/micropython,neilh10/micropython,dxxb/micropython,mhoffma/micropython,pozetroninc/micropython,utopiaprince/micropython,alex-march/micropython,kerneltask/micropython,EcmaXp/micropython,mianos/micropython,noahwilliamsson/micropython,adafruit/micropython,lowRISC/micropython,heisewangluo/micropython,oopy/micropython,martinribelotta/micropython,infinnovation/micropython,cnoviello/micropython,xuxiaoxin/micropython,pozetroninc/micropython,dhylands/micropython,Peetz0r/micropython-esp32,AriZuu/micropython,ChuckM/micropython,matthewelse/micropython,Peetz0r/micropython-esp32,cnoviello/micropython,swegener/micropython,jlillest/micropython,blmorris/micropython,hiway/micropython,ernesto-g/micropython,cloudformdesign/micropython,jmarcelino/pycom-micropython,PappaPeppar/micropython,ahotam/micropython,selste/micropython,ericsnowcurrently/micropython,firstval/micropython,adamkh/micropython,noahwilliamsson/micropython,martinribelotta/micropython,ganshun666/micropython,danicampora/micropython,ericsnowcurrently/micropython,TDAbboud/micropython,emfcamp/micropython,PappaPeppar/micropython,trezor/micropython,HenrikSolver/micropython,cnoviello/micropython,mpalomer/micropython,redbear/micropython,pramasoul/micropython,slzatz/micropython,puuu/micropython,toolmacher/micropython,mgyenik/micropython,trezor/micropython,tdautc19841202/micropython,turbinenreiter/micropython,alex-march/micropython,HenrikSolver/micropython,ericsnowcurrently/micropython,EcmaXp/micropython,ryannathans/micropython,orionrobots/micropython,PappaPeppar/micropython,ChuckM/micropython,mhoffma/micropython,blmorris/micropython,ryannathans/micropython,jmarcelino/pycom-micropython,pfalcon/micropython,vitiral/micropython,EcmaXp/micropython,vitiral/micropython,blmorris/micropython,hiway/micropython,oopy/micropython,tobbad/micropython,vriera/micropython,torwag/micropython,mpalomer/micropython,jlillest/micropython,tuc-osg/micropython,alex-march/micropython,xhat/micropython,tralamazza/micropython,Timmenem/micropython,omtinez/micropython,xyb/micropython,MrSurly/micropython-esp32,EcmaXp/micropython,blazewicz/micropython,lbattraw/micropython,deshipu/micropython,suda/micropython,mgyenik/micropython,pfalcon/micropython,infinnovation/micropython,blmorris/micropython,matthewelse/micropython,TDAbboud/micropython,Timmenem/micropython,utopiaprince/micropython,ceramos/micropython,neilh10/micropython,suda/micropython,ruffy91/micropython,adamkh/micropython,kerneltask/micropython,dhylands/micropython,MrSurly/micropython-esp32,drrk/micropython,jlillest/micropython,tuc-osg/micropython,turbinenreiter/micropython,pozetroninc/micropython,ganshun666/micropython,swegener/micropython,puuu/micropython,emfcamp/micropython,cwyark/micropython,omtinez/micropython,adafruit/circuitpython,AriZuu/micropython,SHA2017-badge/micropython-esp32,alex-robbins/micropython,MrSurly/micropython,lbattraw/micropython,ceramos/micropython,kostyll/micropython,selste/micropython,noahwilliamsson/micropython,heisewangluo/micropython,kerneltask/micropython,tdautc19841202/micropython,kostyll/micropython,torwag/micropython,mhoffma/micropython,xhat/micropython,stonegithubs/micropython,torwag/micropython,misterdanb/micropython,kostyll/micropython,danicampora/micropython,toolmacher/micropython,ganshun666/micropython,xyb/micropython,emfcamp/micropython,vitiral/micropython,supergis/micropython,adafruit/micropython,praemdonck/micropython,mgyenik/micropython,HenrikSolver/micropython,matthewelse/micropython,selste/micropython,MrSurly/micropython,bvernoux/micropython,neilh10/micropython,tralamazza/micropython,alex-march/micropython,xyb/micropython,matthewelse/micropython,adamkh/micropython,noahchense/micropython,adamkh/micropython,supergis/micropython,lowRISC/micropython,ruffy91/micropython,dxxb/micropython,pramasoul/micropython,slzatz/micropython,kerneltask/micropython,micropython/micropython-esp32,skybird6672/micropython,pramasoul/micropython,alex-robbins/micropython,toolmacher/micropython,stonegithubs/micropython,emfcamp/micropython,ahotam/micropython,oopy/micropython,heisewangluo/micropython,orionrobots/micropython,orionrobots/micropython,noahwilliamsson/micropython,supergis/micropython,xhat/micropython,mpalomer/micropython,dinau/micropython,mgyenik/micropython,adafruit/circuitpython,utopiaprince/micropython,ruffy91/micropython,lowRISC/micropython,noahwilliamsson/micropython,neilh10/micropython,tobbad/micropython,Peetz0r/micropython-esp32,SHA2017-badge/micropython-esp32,pramasoul/micropython,omtinez/micropython,heisewangluo/micropython,infinnovation/micropython,torwag/micropython,tralamazza/micropython,galenhz/micropython,AriZuu/micropython,ahotam/micropython,rubencabrera/micropython,hosaka/micropython,adafruit/circuitpython,cloudformdesign/micropython,tdautc19841202/micropython,mianos/micropython,MrSurly/micropython-esp32,kerneltask/micropython,TDAbboud/micropython,pfalcon/micropython,jmarcelino/pycom-micropython,drrk/micropython,xhat/micropython,orionrobots/micropython,chrisdearman/micropython,feilongfl/micropython,dinau/micropython,danicampora/micropython,trezor/micropython,redbear/micropython,stonegithubs/micropython,deshipu/micropython,praemdonck/micropython,utopiaprince/micropython,deshipu/micropython,feilongfl/micropython,ahotam/micropython,firstval/micropython,suda/micropython,dhylands/micropython,hiway/micropython,adamkh/micropython,noahchense/micropython,firstval/micropython,noahchense/micropython,chrisdearman/micropython,torwag/micropython,lowRISC/micropython,selste/micropython,tuc-osg/micropython,mpalomer/micropython,feilongfl/micropython,jlillest/micropython,ruffy91/micropython,tobbad/micropython,swegener/micropython,ruffy91/micropython,blazewicz/micropython,martinribelotta/micropython,omtinez/micropython,galenhz/micropython,cwyark/micropython,AriZuu/micropython,ryannathans/micropython,henriknelson/micropython,toolmacher/micropython,toolmacher/micropython,cwyark/micropython,cnoviello/micropython,vitiral/micropython,hiway/micropython,mianos/micropython,micropython/micropython-esp32,TDAbboud/micropython,vitiral/micropython,HenrikSolver/micropython,puuu/micropython,xyb/micropython,lbattraw/micropython,adafruit/circuitpython,cwyark/micropython,slzatz/micropython,dmazzella/micropython,dinau/micropython,blazewicz/micropython,blazewicz/micropython,henriknelson/micropython,tdautc19841202/micropython,turbinenreiter/micropython,hosaka/micropython,xhat/micropython,dmazzella/micropython,mhoffma/micropython,swegener/micropython,infinnovation/micropython,blmorris/micropython,xuxiaoxin/micropython,dxxb/micropython,pozetroninc/micropython,tdautc19841202/micropython,jlillest/micropython,Timmenem/micropython,Timmenem/micropython,ernesto-g/micropython,omtinez/micropython,danicampora/micropython,jmarcelino/pycom-micropython,cloudformdesign/micropython,ernesto-g/micropython,rubencabrera/micropython,alex-robbins/micropython,micropython/micropython-esp32,drrk/micropython,pfalcon/micropython,PappaPeppar/micropython,ChuckM/micropython,stonegithubs/micropython,ceramos/micropython,SHA2017-badge/micropython-esp32,pramasoul/micropython,ryannathans/micropython,misterdanb/micropython,danicampora/micropython,firstval/micropython,blazewicz/micropython,tobbad/micropython,matthewelse/micropython,redbear/micropython,vriera/micropython,micropython/micropython-esp32,xuxiaoxin/micropython,ceramos/micropython,bvernoux/micropython,ceramos/micropython,ericsnowcurrently/micropython,tobbad/micropython,suda/micropython,dmazzella/micropython,MrSurly/micropython-esp32,ChuckM/micropython,orionrobots/micropython,adafruit/micropython,ganshun666/micropython,vriera/micropython,rubencabrera/micropython,SHA2017-badge/micropython-esp32,xuxiaoxin/micropython,drrk/micropython,henriknelson/micropython,adafruit/micropython,cwyark/micropython,ChuckM/micropython,ernesto-g/micropython,deshipu/micropython,chrisdearman/micropython,alex-march/micropython,HenrikSolver/micropython,galenhz/micropython,galenhz/micropython,misterdanb/micropython,feilongfl/micropython,chrisdearman/micropython,heisewangluo/micropython,PappaPeppar/micropython,TDAbboud/micropython,supergis/micropython,misterdanb/micropython,dxxb/micropython,trezor/micropython,henriknelson/micropython,bvernoux/micropython,bvernoux/micropython,adafruit/micropython