configure LPP parameters with slightly longer listen time since the CC1020 driver switches from TX mode to RX mode rather slowly.
configure LPP parameters with slightly longer listen time since the CC1020
driver switches from TX mode to RX mode rather slowly.

decreased CCA check timeout.

bluerover/6lbr,MohamedSeliem/contiki,MohamedSeliem/contiki,arurke/contiki,bluerover/6lbr,MohamedSeliem/contiki,bluerover/6lbr,bluerover/6lbr,arurke/contiki,MohamedSeliem/contiki,bluerover/6lbr,arurke/contiki,bluerover/6lbr,MohamedSeliem/contiki,MohamedSeliem/contiki,arurke/contiki,arurke/contiki,MohamedSeliem/contiki,arurke/contiki,arurke/contiki,bluerover/6lbr