net: e1000: Add support for the Intel 82546GB controller

This chip is equipped for example on the esd PMC-ETH2-GB board. So let's
add it to the list of supported chips to the e1000 driver.

Signed-off-by: Reinhard Arlt <reinhard.arlt@esd.eu>
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
diff --git a/include/pci_ids.h b/include/pci_ids.h
index d783c5b..edfdc1e 100644
--- a/include/pci_ids.h
+++ b/include/pci_ids.h
@@ -1828,6 +1828,7 @@
 #define PCI_DEVICE_ID_INTEL_82546EB_COPPER	0x1010
 #define PCI_DEVICE_ID_INTEL_82545EM_FIBER	0x1011
 #define PCI_DEVICE_ID_INTEL_82546EB_FIBER	0x1012
+#define PCI_DEVICE_ID_INTEL_82546GB_COPPER	0x1079
 #define PCI_DEVICE_ID_INTEL_82540EM_LOM		0x1015
 #define PCI_DEVICE_ID_INTEL_82545GM_COPPER	0x1026
 #define PCI_DEVICE_ID_INTEL_82559		0x1030