staging: comedi: comedidev.h: add PCI_VENDOR_ID_RTD

Add a define for the RTD Embedded Technologies, 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>

drivers/staging/comedi/comedidev.h

@@ -65,6 +65,7 @@
 #define PCI_VENDOR_ID_CB		0x1307	/* Measurement Computing */
 #define PCI_VENDOR_ID_ADVANTECH		0x13fe
 #define PCI_VENDOR_ID_MEILHAUS		0x1402
+#define PCI_VENDOR_ID_RTD		0x1435
 #define PCI_VENDOR_ID_ADLINK		0x144a
 
 #define COMEDI_NUM_MINORS 0x100

drivers/staging/comedi/drivers/rtd520.c

@@ -147,8 +147,6 @@ Configuration options:
   Board specific stuff
 ======================================================================*/
 
-/* registers  */
-#define PCI_VENDOR_ID_RTD	0x1435
 /*
   The board has three memory windows: las0, las1, and lcfg (the PCI chip)
   Las1 has the data and can be burst DMAed 32bits at a time.