stmhal: Print exception information in nlr_jump_failed
stmhal: Print exception information in nlr_jump_failed

Currently nlr_jump_fail prints that there was an uncaught exception
but nothing about the exception.
This patch causes nlr_jump_failed to try to print the exception.
Given that printf was called on the line above, I think that
the call to mp_obj_print_exception has about as much likelyhood
of succeeding as the printf does.

ernesto-g/micropython,toolmacher/micropython,praemdonck/micropython,pramasoul/micropython,bvernoux/micropython,pramasoul/micropython,puuu/micropython,alex-march/micropython,PappaPeppar/micropython,pfalcon/micropython,TDAbboud/micropython,ryannathans/micropython,Timmenem/micropython,pozetroninc/micropython,adafruit/circuitpython,hiway/micropython,mpalomer/micropython,alex-robbins/micropython,Peetz0r/micropython-esp32,Timmenem/micropython,hosaka/micropython,dinau/micropython,emfcamp/micropython,AriZuu/micropython,cwyark/micropython,lowRISC/micropython,xhat/micropython,xhat/micropython,SHA2017-badge/micropython-esp32,adafruit/circuitpython,PappaPeppar/micropython,dxxb/micropython,Peetz0r/micropython-esp32,Peetz0r/micropython-esp32,alex-robbins/micropython,chrisdearman/micropython,adafruit/circuitpython,PappaPeppar/micropython,neilh10/micropython,MrSurly/micropython,deshipu/micropython,emfcamp/micropython,lowRISC/micropython,micropython/micropython-esp32,adamkh/micropython,dxxb/micropython,puuu/micropython,henriknelson/micropython,adafruit/micropython,pfalcon/micropython,supergis/micropython,mianos/micropython,trezor/micropython,SHA2017-badge/micropython-esp32,drrk/micropython,redbear/micropython,adafruit/micropython,selste/micropython,dinau/micropython,danicampora/micropython,redbear/micropython,puuu/micropython,alex-march/micropython,hosaka/micropython,praemdonck/micropython,lowRISC/micropython,tobbad/micropython,Timmenem/micropython,redbear/micropython,MrSurly/micropython,mhoffma/micropython,martinribelotta/micropython,dinau/micropython,kerneltask/micropython,toolmacher/micropython,misterdanb/micropython,AriZuu/micropython,dinau/micropython,adafruit/circuitpython,micropython/micropython-esp32,selste/micropython,ryannathans/micropython,TDAbboud/micropython,adamkh/micropython,dmazzella/micropython,hiway/micropython,tuc-osg/micropython,emfcamp/micropython,infinnovation/micropython,matthewelse/micropython,chrisdearman/micropython,tuc-osg/micropython,emfcamp/micropython,torwag/micropython,matthewelse/micropython,mianos/micropython,supergis/micropython,dxxb/micropython,misterdanb/micropython,drrk/micropython,micropython/micropython-esp32,cwyark/micropython,ernesto-g/micropython,SHA2017-badge/micropython-esp32,swegener/micropython,adafruit/circuitpython,pfalcon/micropython,puuu/micropython,deshipu/micropython,torwag/micropython,blazewicz/micropython,danicampora/micropython,tobbad/micropython,mpalomer/micropython,galenhz/micropython,trezor/micropython,mhoffma/micropython,neilh10/micropython,cwyark/micropython,martinribelotta/micropython,EcmaXp/micropython,kerneltask/micropython,pramasoul/micropython,AriZuu/micropython,kerneltask/micropython,trezor/micropython,Peetz0r/micropython-esp32,jmarcelino/pycom-micropython,adamkh/micropython,MrSurly/micropython,hiway/micropython,neilh10/micropython,drrk/micropython,MrSurly/micropython,TDAbboud/micropython,MrSurly/micropython-esp32,supergis/micropython,infinnovation/micropython,lowRISC/micropython,HenrikSolver/micropython,supergis/micropython,adafruit/micropython,torwag/micropython,danicampora/micropython,pozetroninc/micropython,selste/micropython,mpalomer/micropython,PappaPeppar/micropython,dinau/micropython,trezor/micropython,oopy/micropython,MrSurly/micropython,supergis/micropython,ernesto-g/micropython,alex-robbins/micropython,bvernoux/micropython,martinribelotta/micropython,kerneltask/micropython,micropython/micropython-esp32,chrisdearman/micropython,EcmaXp/micropython,turbinenreiter/micropython,dmazzella/micropython,matthewelse/micropython,turbinenreiter/micropython,matthewelse/micropython,adamkh/micropython,swegener/micropython,swegener/micropython,selste/micropython,drrk/micropython,TDAbboud/micropython,deshipu/micropython,MrSurly/micropython-esp32,jmarcelino/pycom-micropython,galenhz/micropython,PappaPeppar/micropython,AriZuu/micropython,matthewelse/micropython,cwyark/micropython,emfcamp/micropython,hiway/micropython,EcmaXp/micropython,HenrikSolver/micropython,hosaka/micropython,martinribelotta/micropython,misterdanb/micropython,chrisdearman/micropython,pramasoul/micropython,pramasoul/micropython,ganshun666/micropython,toolmacher/micropython,blazewicz/micropython,tralamazza/micropython,mianos/micropython,adafruit/micropython,ganshun666/micropython,pozetroninc/micropython,kerneltask/micropython,deshipu/micropython,toolmacher/micropython,pozetroninc/micropython,dxxb/micropython,puuu/micropython,mianos/micropython,alex-march/micropython,tobbad/micropython,AriZuu/micropython,xhat/micropython,mpalomer/micropython,alex-robbins/micropython,tuc-osg/micropython,blazewicz/micropython,pozetroninc/micropython,bvernoux/micropython,neilh10/micropython,chrisdearman/micropython,jmarcelino/pycom-micropython,pfalcon/micropython,blazewicz/micropython,xhat/micropython,swegener/micropython,HenrikSolver/micropython,praemdonck/micropython,toolmacher/micropython,ryannathans/micropython,galenhz/micropython,ganshun666/micropython,Timmenem/micropython,galenhz/micropython,EcmaXp/micropython,henr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