net/netopt: Fix NETOPT_CHANNEL_PAGE documentation.
net/netopt: Fix NETOPT_CHANNEL_PAGE documentation.

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