drivers - cc110x_ng: rename ng driver to legacy

Makefile.dep

boards/avsextrem/Makefile.include

boards/avsextrem/drivers/avsextrem-cc1100.c

boards/chronos/Makefile.dep

boards/chronos/drivers/cc430-cc110x.c

boards/msb-430h/Makefile.dep

boards/msb-430h/driver_cc110x.c

boards/msba2-common/Makefile.dep

boards/msba2/Makefile.include

boards/msba2/msba2-cc110x.c

boards/wsn430-v1_3b/Makefile.dep

boards/wsn430-v1_3b/driver_cc110x.c

cpu/cc430/cc110x_cc430.c

drivers/Makefile

drivers/Makefile.include

drivers/cc110x_legacy/Makefile

drivers/cc110x_legacy/cc110x-defaultSettings.c

drivers/cc110x_legacy/cc110x-internal.h

drivers/cc110x_legacy/cc110x-rx.c

drivers/cc110x_legacy/cc110x-tx.c