drivers/enc28j60: fix of #9784
drivers/enc28j60: fix of #9784

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