staging: vt6655: Replace typedef struct tagSTxDesc

Replace with struct vnt_tx_desc with all members the same.

volatile is removed from pointers as this generates warning
message.

Only the first four members of vnt_tx_desc need to be volatile.

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

diff --cc drivers/staging/vt6655/card.c
Simple merge

diff --cc drivers/staging/vt6655/desc.h
Simple merge

diff --cc drivers/staging/vt6655/device.h
Simple merge

diff --cc drivers/staging/vt6655/device_main.c
Simple merge

diff --cc drivers/staging/vt6655/rxtx.c
Simple merge

diff --cc drivers/staging/vt6655/rxtx.h
Simple merge