staging: vt6656: create new structure names to remove typedefs.

This patch and the next 8 patches remove the old structure names and
replace;

struct vnt_private for DEVICE_INFO and PSDevice
struct vnt_manager for SMgmtObject
struct vnt_rx_mgmt for SRxMgmtPacket and PSRxMgmtPacket
struct vnt_tx_mgmt for STxMgmtPacket and PSTxMgmtPacket

and

struct vnt_manager vnt_mgmt
to replace
SMgmtObject sMgmtObj;

Applied after patch staging: vt6656: dpc.c :RXbBulkInProcessData clean up RSC

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