sys/arduino: add docs for analog map (strictly needed to build)
sys/arduino: add docs for analog map (strictly needed to build)

yogo1212/RIOT,lazytech-org/RIOT,RIOT-OS/RIOT,BytesGalore/RIOT,x3ro/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,yogo1212/RIOT,aeneby/RIOT,cladmi/RIOT,x3ro/RIOT,BytesGalore/RIOT,OTAkeys/RIOT,aeneby/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,smlng/RIOT,mfrey/RIOT,aeneby/RIOT,jasonatran/RIOT,josephnoir/RIOT,A-Paul/RIOT,x3ro/RIOT,biboc/RIOT,basilfx/RIOT,rfuentess/RIOT,basilfx/RIOT,kYc0o/RIOT,mfrey/RIOT,kbumsik/RIOT,miri64/RIOT,lazytech-org/RIOT,cladmi/RIOT,ant9000/RIOT,rfuentess/RIOT,jasonatran/RIOT,jasonatran/RIOT,josephnoir/RIOT,authmillenon/RIOT,rfuentess/RIOT,cladmi/RIOT,kYc0o/RIOT,josephnoir/RIOT,yogo1212/RIOT,OTAkeys/RIOT,ant9000/RIOT,OlegHahm/RIOT,biboc/RIOT,yogo1212/RIOT,smlng/RIOT,kaspar030/RIOT,gebart/RIOT,biboc/RIOT,BytesGalore/RIOT,RIOT-OS/RIOT,kYc0o/RIOT,josephnoir/RIOT,gebart/RIOT,biboc/RIOT,cladmi/RIOT,lazytech-org/RIOT,aeneby/RIOT,lazytech-org/RIOT,BytesGalore/RIOT,gebart/RIOT,mtausig/RIOT,yogo1212/RIOT,kbumsik/RIOT,basilfx/RIOT,authmillenon/RIOT,toonst/RIOT,OlegHahm/RIOT,toonst/RIOT,miri64/RIOT,mtausig/RIOT,smlng/RIOT,A-Paul/RIOT,A-Paul/RIOT,authmillenon/RIOT,gebart/RIOT,smlng/RIOT,kaspar030/RIOT,cladmi/RIOT,A-Paul/RIOT,ant9000/RIOT,smlng/RIOT,kaspar030/RIOT,mfrey/RIOT,OlegHahm/RIOT,authmillenon/RIOT,toonst/RIOT,ant9000/RIOT,mfrey/RIOT,rfuentess/RIOT,x3ro/RIOT,kaspar030/RIOT,OTAkeys/RIOT,authmillenon/RIOT,gebart/RIOT,A-Paul/RIOT,miri64/RIOT,toonst/RIOT,kYc0o/RIOT,basilfx/RIOT,jasonatran/RIOT,mtausig/RIOT,mtausig/RIOT,RIOT-OS/RIOT,kbumsik/RIOT,authmillenon/RIOT,lazytech-org/RIOT,aeneby/RIOT,OlegHahm/RIOT,toonst/RIOT,mfrey/RIOT,josephnoir/RIOT,rfuentess/RIOT,kbumsik/RIOT,basilfx/RIOT,kaspar030/RIOT,BytesGalore/RIOT,x3ro/RIOT,mtausig/RIOT,kbumsik/RIOT,OTAkeys/RIOT,ant9000/RIOT,biboc/RIOT,kYc0o/RIOT,miri64/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,miri64/RIOT