drivers/feetech: fix typos
drivers/feetech: fix typos

basilfx/RIOT,mtausig/RIOT,jasonatran/RIOT,miri64/RIOT,OlegHahm/RIOT,authmillenon/RIOT,ant9000/RIOT,toonst/RIOT,x3ro/RIOT,miri64/RIOT,jasonatran/RIOT,kaspar030/RIOT,yogo1212/RIOT,authmillenon/RIOT,mtausig/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,basilfx/RIOT,toonst/RIOT,aeneby/RIOT,basilfx/RIOT,smlng/RIOT,jasonatran/RIOT,yogo1212/RIOT,x3ro/RIOT,smlng/RIOT,authmillenon/RIOT,toonst/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,josephnoir/RIOT,yogo1212/RIOT,jasonatran/RIOT,mtausig/RIOT,toonst/RIOT,kYc0o/RIOT,josephnoir/RIOT,OTAkeys/RIOT,authmillenon/RIOT,authmillenon/RIOT,miri64/RIOT,kaspar030/RIOT,yogo1212/RIOT,x3ro/RIOT,toonst/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,aeneby/RIOT,josephnoir/RIOT,OTAkeys/RIOT,x3ro/RIOT,authmillenon/RIOT,basilfx/RIOT,kaspar030/RIOT,aeneby/RIOT,OTAkeys/RIOT,aeneby/RIOT,kaspar030/RIOT,mtausig/RIOT,basilfx/RIOT,jasonatran/RIOT,mtausig/RIOT,smlng/RIOT,OTAkeys/RIOT,josephnoir/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,miri64/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,josephnoir/RIOT,kYc0o/RIOT,OlegHahm/RIOT,ant9000/RIOT,kYc0o/RIOT,ant9000/RIOT,smlng/RIOT,smlng/RIOT,x3ro/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,aeneby/RIOT,ant9000/RIOT,ant9000/RIOT,kYc0o/RIOT,miri64/RIOT