CC3000 driver updates from Alan Carvalho de Assis

drivers/wireless/cc3000/cc3000_common.c

drivers/wireless/cc3000/evnt_handler.c

drivers/wireless/cc3000/hci.c

drivers/wireless/cc3000/netapp.c

drivers/wireless/cc3000/nvmem.c

drivers/wireless/cc3000/security.c

drivers/wireless/cc3000/socket.c

drivers/wireless/cc3000/spi.c

drivers/wireless/cc3000/wlan.c

include/nuttx/cc3000/cc3000_common.h

include/nuttx/cc3000/evnt_handler.h

include/nuttx/cc3000/hci.h

include/nuttx/cc3000/netapp.h

include/nuttx/cc3000/nvmem.h

include/nuttx/cc3000/security.h

include/nuttx/cc3000/socket.h

include/nuttx/cc3000/spi.h

include/nuttx/cc3000/wlan.h