gnrc/gomach : Update documentation
gnrc/gomach : Update documentation

Add configurations to compile time configurations.

Co-authored-by: Leandro Lanzieri <502f649743713a566a320ad97a6cd78f6bef9274@haw-hamburg.de>

basilfx/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,OTAkeys/RIOT,OlegHahm/RIOT,jasonatran/RIOT,RIOT-OS/RIOT,OTAkeys/RIOT,jasonatran/RIOT,kaspar030/RIOT,OlegHahm/RIOT,kaspar030/RIOT,kYc0o/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,basilfx/RIOT,kaspar030/RIOT,miri64/RIOT,RIOT-OS/RIOT,jasonatran/RIOT,miri64/RIOT,basilfx/RIOT,authmillenon/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,authmillenon/RIOT,authmillenon/RIOT,OTAkeys/RIOT,authmillenon/RIOT,jasonatran/RIOT,kYc0o/RIOT,OTAkeys/RIOT,kaspar030/RIOT,kaspar030/RIOT,OlegHahm/RIOT,basilfx/RIOT,ant9000/RIOT,kYc0o/RIOT,RIOT-OS/RIOT,miri64/RIOT,ant9000/RIOT,ant9000/RIOT,miri64/RIOT,ant9000/RIOT,kYc0o/RIOT,miri64/RIOT,kYc0o/RIOT,jasonatran/RIOT,OlegHahm/RIOT,ant9000/RIOT,basilfx/RIOT