Renamed sony_usb to news_usb
Renamed hbk to hbkb

ADD: Build option: MATRIX_HAS_GHOST to enable ghost blocking logic.
FIX: choose matrix buffer type(uint8_t/uint16_t) automatically
     depending on column size in matrix.c.
FIX: use uint8_t insted of int in matrix.c.

Change build options:  Makefile and config.h. See README.