drivers/adcxx1c: fix phydat usage in saul wrapper
drivers/adcxx1c: fix phydat usage in saul wrapper

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