staging: comedi: addi_common: use PCI_VENDOR_ID_ADDIDATA_OLD

The kernel provides this id in pci_ids.h. Use it instead of creating
duplicates of the id with different names.

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>