py: Rebuild port if mpconfigport.mk changed (if any).
py: Rebuild port if mpconfigport.mk changed (if any).

mpconfigport.mk contains configuration options which affect the way
MicroPython is linked. In this regard, it's "stronger" configuration
dependency than even mpconfigport.h, so if we rebuild everything on
mpconfigport.h change, we certianly should of that on mpconfigport.mk
change too.

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