cc3200: Update README.md to add step for flashing the bootloader.
cc3200: Update README.md to add step for flashing the bootloader.

cnoviello/micropython,redbear/micropython,vitiral/micropython,kostyll/micropython,redbear/micropython,swegener/micropython,swegener/micropython,stonegithubs/micropython,ruffy91/micropython,dmazzella/micropython,bvernoux/micropython,MrSurly/micropython-esp32,mianos/micropython,vriera/micropython,puuu/micropython,galenhz/micropython,aethaniel/micropython,henriknelson/micropython,matthewelse/micropython,xuxiaoxin/micropython,ceramos/micropython,pramasoul/micropython,ChuckM/micropython,PappaPeppar/micropython,ruffy91/micropython,emfcamp/micropython,henriknelson/micropython,feilongfl/micropython,HenrikSolver/micropython,alex-robbins/micropython,Peetz0r/micropython-esp32,tdautc19841202/micropython,KISSMonX/micropython,tobbad/micropython,tobbad/micropython,KISSMonX/micropython,infinnovation/micropython,jimkmc/micropython,skybird6672/micropython,jlillest/micropython,hiway/micropython,AriZuu/micropython,xuxiaoxin/micropython,tobbad/micropython,kostyll/micropython,kerneltask/micropython,jlillest/micropython,praemdonck/micropython,ryannathans/micropython,orionrobots/micropython,HenrikSolver/micropython,lbattraw/micropython,dhylands/micropython,blmorris/micropython,blazewicz/micropython,drrk/micropython,adafruit/micropython,neilh10/micropython,rubencabrera/micropython,tuc-osg/micropython,pfalcon/micropython,matthewelse/micropython,dinau/micropython,blmorris/micropython,misterdanb/micropython,drrk/micropython,suda/micropython,noahchense/micropython,supergis/micropython,EcmaXp/micropython,mianos/micropython,ceramos/micropython,ceramos/micropython,cloudformdesign/micropython,swegener/micropython,martinribelotta/micropython,utopiaprince/micropython,EcmaXp/micropython,ceramos/micropython,puuu/micropython,TDAbboud/micropython,skybird6672/micropython,matthewelse/micropython,xyb/micropython,ChuckM/micropython,ericsnowcurrently/micropython,mhoffma/micropython,mgyenik/micropython,chrisdearman/micropython,orionrobots/micropython,selste/micropython,Peetz0r/micropython-esp32,jlillest/micropython,MrSurly/micropython-esp32,Peetz0r/micropython-esp32,hiway/micropython,henriknelson/micropython,ruffy91/micropython,mpalomer/micropython,turbinenreiter/micropython,pfalcon/micropython,xhat/micropython,kostyll/micropython,oopy/micropython,bvernoux/micropython,dxxb/micropython,adamkh/micropython,pfalcon/micropython,kostyll/micropython,hosaka/micropython,KISSMonX/micropython,micropython/micropython-esp32,cloudformdesign/micropython,EcmaXp/micropython,aethaniel/micropython,ChuckM/micropython,stonegithubs/micropython,PappaPeppar/micropython,tralamazza/micropython,MrSurly/micropython-esp32,warner83/micropython,chrisdearman/micropython,puuu/micropython,adafruit/micropython,aethaniel/micropython,cwyark/micropython,Timmenem/micropython,dmazzella/micropython,redbear/micropython,mhoffma/micropython,emfcamp/micropython,mianos/micropython,warner83/micropython,neilh10/micropython,heisewangluo/micropython,ChuckM/micropython,drrk/micropython,oopy/micropython,slzatz/micropython,danicampora/micropython,hosaka/micropython,danicampora/micropython,AriZuu/micropython,alex-march/micropython,supergis/micropython,bvernoux/micropython,ernesto-g/micropython,xhat/micropython,alex-march/micropython,martinribelotta/micropython,tdautc19841202/micropython,pramasoul/micropython,MrSurly/micropython,pramasoul/micropython,dhylands/micropython,ericsnowcurrently/micropython,mhoffma/micropython,dinau/micropython,trezor/micropython,martinribelotta/micropython,lbattraw/micropython,jimkmc/micropython,cwyark/micropython,paul-xxx/micropython,SHA2017-badge/micropython-esp32,alex-robbins/micropython,toolmacher/micropython,firstval/micropython,adafruit/micropython,torwag/micropython,orionrobots/micropython,dhylands/micropython,praemdonck/micropython,turbinenreiter/micropython,suda/micropython,noahchense/micropython,galenhz/micropython,mgyenik/micropython,EcmaXp/micropython,hiway/micropython,deshipu/micropython,HenrikSolver/micropython,heisewangluo/micropython,ryannathans/micropython,alex-march/micropython,vriera/micropython,jimkmc/micropython,xuxiaoxin/micropython,slzatz/micropython,supergis/micropython,lowRISC/micropython,redbear/micropython,infinnovation/micropython,blmorris/micropython,lowRISC/micropython,MrSurly/micropython,deshipu/micropython,adafruit/circuitpython,praemdonck/micropython,adafruit/micropython,dmazzella/micropython,cloudformdesign/micropython,MrSurly/micropython-esp32,alex-march/micropython,danicampora/micropython,AriZuu/micropython,pozetroninc/micropython,puuu/micropython,trezor/micropython,ericsnowcurrently/micropython,drrk/micropython,supergis/micropython,stonegithubs/micropython,slzatz/micropython,Timmenem/micropython,MrSurly/micropython,adamkh/micropython,ganshun666/micropython,matthewelse/micropython,misterdanb/micropython,MrSurly/micropython,adamkh/micropython,neilh10/micropython,tobbad/micropython,ericsnowcurrently/micropython,torwag/micropython,xhat/micropython,mgyenik/micropython,turbinenreiter/micropython,selste/micropython,blazewicz/micropython,feilongfl/micropython,dinau/micropython,rubencabrera/micropython,bvernoux/micropython,toolmacher/micropython,cloudformdesign/micropython,infinnovation/micropython,tuc-osg/micropython,mianos/micropython,turbinenreiter/micropython,blazewicz/micropython,swegener/micropython,micropython/micropython-esp32,adafruit/circuitpython,toolmacher/micropython,micropython/micropython-esp32,cnoviello/micropython,firstval/micropython,supergis/micropython,aethaniel/micropython,trezor/micropython,henriknelson/micropython,PappaPeppar/micropython,dmazzella/micropython,mianos/micropython,ceramos/micropython,lowRISC/micropython,slzatz/micropython,tralamazza/micropython,kerneltask/micropython,adafruit/circuitpython,utopiaprince/micropython,vitiral/micropython,MrSurly/micropython,AriZuu/micropython,matthewelse/micropython,omtinez/micropython,ahotam/micropython,pozetroninc/micropython,praemdonck/micropython,deshipu/micropython,neilh10/micropython,firstval/micropython,ahotam/micropython,ahotam/micropython,jlillest/micropython,lbattraw/micropython,adafruit/circuitpython,KISSMonX/micropython,bvernoux/micropython,omtinez/micropython,noahwilliamsson/micropython,warner83/micropython,neilh10/micropython,utopiaprince/micropython,tuc-osg/micropython,xyb/micropython,ernesto-g/micropython,SungEun-Steve-Kim/test-mp,pozetroninc/micropython,tuc-osg/micropython,tdautc19841202/micropython,rubencabrera/micropython,heisewangluo/micropython,utopiaprince/micropython,AriZuu/micropython,oopy/micropython,Timmenem/micropython,adamkh/micropython,lowRISC/micropython,SHA2017-badge/micropython-esp32,SHA2017-badge/micropython-esp32,PappaPeppar/micropython,SungEun-Steve-Kim/test-mp,EcmaXp/micropython,rubencabrera/micropython,noahwilliamsson/micropython,adamkh/micropython,skybird6672/micropython,heisewangluo/micropython,noahchense/micropython,cnoviello/micropython,dhylands/micropython,chrisdearman/micropython,omtinez/micropython,xhat/micropython,noahwilliamsson/micropython,TDAbboud/micropython,infinnovation/micropython,blmorris/micropython,misterdanb/micropython,ahotam/micropython,blazewicz/micropython,dxxb/micropython,adafruit/micropython,ChuckM/micropython,hiway/micropython,vriera/micropython,kerneltask/micropython,danicampora/micropython,SHA2017-badge/micropython-esp32,emfcamp/micropython,oopy/micropython,HenrikSolver/micropython,dxxb/micropython,praemdonck/micropython,hosaka/micropython,vitiral/micropython,emfcamp/micropython,mhoffma/micropython,pramasoul/micropython,alex-robbins/micropython,noahwilliamsson/micropython,firstval/micropython,warner83/micropython,aethaniel/micropython,warner83/micropython,xyb/micropython,paul-xxx/micropython,ruffy91/micropython,pramasoul/micropython,pfalcon/micropython,turbinenreiter/micropython,cloudformdesign/micropython,omtinez/micropython,SungEun-Steve-Kim/test-mp,chrisdearman/micropython,toolmacher/micropython,noahchense/micropython,ganshun666/micropython,redbear/micropython,hiway/micropython,mpalomer/micropython,jimkmc/micropython,stonegithubs/micropython,HenrikSolver/micropython,torwag/micropython,ganshun666/micropython,lowRISC/micropython,paul-xxx/micropython,chrisdearman/micropython,ruffy91/micropython,feilongfl/micropython,paul-xxx/micropython,TDAbboud/micropython,drrk/micropython,suda/micropython,blmorris/micropython,torwag/micropython,dxxb/micropython,oopy/micropython,noahchense/micropython,xyb/micropython,mpalomer/micropython,galenhz/micropython,jmarcelino/pycom-micropython,kerneltask/micropython,henriknelson/micropython,dinau/micropython,ganshun666/micropython,Timmenem/micropython,kostyll/micropython,mgyenik/micropython,lbattraw/micropython,lbattraw/micropython,MrSurly/micropython-esp32,orionrobots/micropython,deshipu/micropython,feilongfl/micropython,martinribelotta/micropython,torwag/micropython,tobbad/micropython,jmarcelino/pycom-micropython,galenhz/micropython,selste/micropython,pfalcon/micropython,misterdanb/micropython,emfcamp/micropython,xuxiaoxin/micropython,martinribelotta/micropython,suda/micropython,selste/micropython,slzatz/micropython,ernesto-g/micropython,deshipu/micropython,jimkmc/micropython,ganshun666/micropython,toolmacher/micropython,alex-march/micropython,stonegithubs/micropython,trezor/micropython,alex-robbins/micropython,ahotam/micropython,kerneltask/micropython,swegener/micropython,mgyenik/micropython,tuc-osg/micropython,ernesto-g/micropython,Peetz0r/micropython-esp32,matthewelse/micropython,hosaka/micropython,ryannathans/micropython,skybird6672/micropython,vitiral/micropython,cwyark/micropython,mpalomer/micropython,suda/micropython,blazewicz/micropython,alex-robbins/micropython,jlillest/micropython,jmarcelino/pycom-micropython,xhat/micropython,feilongfl/micropython,pozetroninc/micropython,pozetroninc/micropython,heisewangluo/micropython,tralamazza/micropython,noahwilliamsson/micropython,tralamazza/micropython,ericsnowcurrently/micropython,trezor/micropython,jmarcelino/pycom-micropython,Timmenem/micropython,micropython/micropython-esp32,ryannathans/micropython,utopiaprince/micropython,paul-xxx/micropython,dhylands/micropython,puuu/micropython,tdautc19841202/micropython,TDAbboud/micropython,omtinez/micropython,dinau/micropython,danicampora/micropython,cwyark/micropython,adafruit/circuitpython,orionrobots/micropython,hosaka/micropython,TDAbboud/micropython,SHA2017-badge/micropython-esp32,dxxb/micropython,mpalomer/micropython,Peetz0r/micropython-esp32,SungEun-Steve-Kim/test-mp,misterdanb/micropython,skybird6672/micropython,cwyark/micropython,jmarcelino/pycom-micropython,adafruit/circuitpython,firstval/micropython,tdautc19841202/micropython,PappaPeppar/micropython,galenhz/micropython,mhoffma/micropython,xyb/micropython,cnoviello/micropython,xuxiaoxin/micropython,cnoviello/micropython,SungEun-Steve-Kim/test-mp,infinnovation/micropython,KISSMonX/micropython,vriera/micropython,ernesto-g/micropython,vitiral/micropython,vriera/micropython,rubencabrera/micropython,ryannathans/micropython,micropython/micropython-esp32,selste/micropython