staging: comedi: comedidev.h: add PCI_VENDOR_ID_DT

Add a define for the Data Translation, Inc. PCI vendor id. Remove
the duplicates in the drivers.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 files changed