stmhal/spi: Simplify spi_transfer function to take only one buf len arg.
stmhal/spi: Simplify spi_transfer function to take only one buf len arg.

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