staging: vt6655: Remove typedef struct __chip_info_tbl

Only two values that are assigned from this table.

DEVICE_FLAGS_TX_ALIGN and the value of io_size which is used
as the size of ioremap which is 256.

Remove all variables, DEVICE_FLAGS_TX_ALIGN check, apply io_size value
and chip_info_table.

Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>