gnrc_netif: add flag to indicate 6Lo capabilities
gnrc_netif: add flag to indicate 6Lo capabilities

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