implemented FSM state register in CC2420
implemented FSM state register in CC2420

git-svn-id: b6c13a3f01c183418960c1e4d1e6a42a97ce9376@578 23d1a52b-0c3c-0410-b72d-8f29ab48fe35

contiki-os/mspsim,cmorty/mspsim,joakimeriksson/mspsim,contiki-os/mspsim,ransford/mspsim,mspsim/mspsim,cmorty/mspsim,fvdnabee/mspsim,joakimeriksson/mspsim,ransford/mspsim,fvdnabee/mspsim,nfi/mspsim,nfi/mspsim,mspsim/mspsim