drivers, cc3k: Move cc3000 driver from stmhal to drivers directory.

drivers/cc3000/inc/cc3000_common.h

drivers/cc3000/inc/ccspi.h

drivers/cc3000/inc/data_types.h

drivers/cc3000/inc/evnt_handler.h

drivers/cc3000/inc/hci.h

drivers/cc3000/inc/host_driver_version.h

drivers/cc3000/inc/inet_ntop.h

drivers/cc3000/inc/inet_pton.h

drivers/cc3000/inc/netapp.h

drivers/cc3000/inc/nvmem.h

drivers/cc3000/inc/patch_prog.h

drivers/cc3000/inc/security.h

drivers/cc3000/inc/socket.h

drivers/cc3000/inc/wlan.h

drivers/cc3000/src/cc3000_common.c

drivers/cc3000/src/ccspi.c

drivers/cc3000/src/evnt_handler.c

drivers/cc3000/src/hci.c

drivers/cc3000/src/inet_ntop.c

drivers/cc3000/src/inet_pton.c