py/py.mk: Add CFLAGS_MOD flag to set config file for FatFs.
py/py.mk: Add CFLAGS_MOD flag to set config file for FatFs.

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