boards/stm32f429i-disco: use stdio_cdc_acm.dep.mk
boards/stm32f429i-disco: use stdio_cdc_acm.dep.mk

OTAkeys/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,authmillenon/RIOT,ant9000/RIOT,miri64/RIOT,kYc0o/RIOT,OTAkeys/RIOT,authmillenon/RIOT,authmillenon/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,kaspar030/RIOT,kaspar030/RIOT,OlegHahm/RIOT,authmillenon/RIOT,miri64/RIOT,OlegHahm/RIOT,ant9000/RIOT,OTAkeys/RIOT,jasonatran/RIOT,OlegHahm/RIOT,ant9000/RIOT,authmillenon/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,miri64/RIOT,OTAkeys/RIOT,kYc0o/RIOT,miri64/RIOT,miri64/RIOT,kaspar030/RIOT,jasonatran/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,ant9000/RIOT,jasonatran/RIOT,jasonatran/RIOT,kaspar030/RIOT,OlegHahm/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,ant9000/RIOT