cc1200: added configuration for 868 MHz 2-FSK at 1.2 kbps
cc1200: added configuration for 868 MHz 2-FSK at 1.2 kbps

arurke/contiki,arurke/contiki,arurke/contiki,arurke/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki