tg3: Add 5761S support

This patch adds support for the 5761S chip variants.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index be252ab..66055a9 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -38,6 +38,8 @@
 #define  TG3PCI_DEVICE_TIGON3_2		 0x1645 /* BCM5701 */
 #define  TG3PCI_DEVICE_TIGON3_3		 0x1646 /* BCM5702 */
 #define  TG3PCI_DEVICE_TIGON3_4		 0x1647 /* BCM5703 */
+#define  TG3PCI_DEVICE_TIGON3_5761S	 0x1688
+#define  TG3PCI_DEVICE_TIGON3_5761SE	 0x1689
 #define TG3PCI_COMMAND			0x00000004
 #define TG3PCI_STATUS			0x00000006
 #define TG3PCI_CCREVID			0x00000008