sc92031: use device id directly instead of made-up name

Instead of making up a name for the device ids, put them directly in the
device id table. Also move the vendor id to pci_ids.h.

Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index d56ad9c..302423a 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -2209,6 +2209,8 @@
 
 #define PCI_VENDOR_ID_TOPSPIN		0x1867
 
+#define PCI_VENDOR_ID_SILAN		0x1904
+
 #define PCI_VENDOR_ID_TDI               0x192E
 #define PCI_DEVICE_ID_TDI_EHCI          0x0101