staging: vt6656: PIPEnsControlIn remove camel case.

Camel case changes
pDevice, byRequest,  wValue, wIndex, wLength, pbyBuffer, ntStatus

->

priv, request, value, index, length, buffer, status

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