doc: fix undocumented define in srf04 driver
doc: fix undocumented define in srf04 driver


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