[BNX2]: Add 5709 PCI ID.

Add PCI ID and detection for 5709 copper and SerDes chips.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index fd5033b..c09da1e 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1897,6 +1897,7 @@
 #define PCI_VENDOR_ID_BROADCOM		0x14e4
 #define PCI_DEVICE_ID_TIGON3_5752	0x1600
 #define PCI_DEVICE_ID_TIGON3_5752M	0x1601
+#define PCI_DEVICE_ID_NX2_5709		0x1639
 #define PCI_DEVICE_ID_TIGON3_5700	0x1644
 #define PCI_DEVICE_ID_TIGON3_5701	0x1645
 #define PCI_DEVICE_ID_TIGON3_5702	0x1646