staging: vt6656: card/main_usb/device use new structure names

This patch also cleans up function declarations, definitions and local variables
were appropriate replacing types defined in "ttype.h" with linux/types.h.

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