Add PCI class ID for firewire OHCI controllers.

Pull this define out of drivers/ieee1394/ohci1394.c and rename to match
other PCI class defines.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index 628130a..3802125 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -3634,11 +3634,9 @@
 }
 #endif /* CONFIG_PM */
 
-#define PCI_CLASS_FIREWIRE_OHCI     ((PCI_CLASS_SERIAL_FIREWIRE << 8) | 0x10)
-
 static struct pci_device_id ohci1394_pci_tbl[] = {
 	{
-		.class = 	PCI_CLASS_FIREWIRE_OHCI,
+		.class = 	PCI_CLASS_SERIAL_FIREWIRE_OHCI,
 		.class_mask = 	PCI_ANY_ID,
 		.vendor =	PCI_ANY_ID,
 		.device =	PCI_ANY_ID,