staging: vt6656: Remove typedef enum _CONTEXT_TYPE

Replace with enum

assign as u8 type.

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

diff --cc drivers/staging/vt6656/device.h
Simple merge

diff --cc drivers/staging/vt6656/rxtx.c
Simple merge

diff --cc drivers/staging/vt6656/usbpipe.c
Simple merge