staging: vt6656: PIPEnsControlIn use usb_control_msg

Now that this function is nolonger atomic useusb_control_msg.

Return STATUS_FAILURE if ntStatus less than wLength

Remove the old struct urb and struct usb_ctrlrequest structures.

Remove fMP_CONTROL_READS flag.

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/main_usb.c
Simple merge

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