ahci: add the Device IDs of MCP79 AHCI controller to ahci.c

Add the device IDs of legacy mode of MCP79 AHCI controller to ahci.c

Signed-off-by: Peer Chen <peerchen@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ed9b407..4688dbf 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -536,6 +536,10 @@
 	{ PCI_VDEVICE(NVIDIA, 0x0ad9), board_ahci },		/* MCP77 */
 	{ PCI_VDEVICE(NVIDIA, 0x0ada), board_ahci },		/* MCP77 */
 	{ PCI_VDEVICE(NVIDIA, 0x0adb), board_ahci },		/* MCP77 */
+	{ PCI_VDEVICE(NVIDIA, 0x0ab4), board_ahci },		/* MCP79 */
+	{ PCI_VDEVICE(NVIDIA, 0x0ab5), board_ahci },		/* MCP79 */
+	{ PCI_VDEVICE(NVIDIA, 0x0ab6), board_ahci },		/* MCP79 */
+	{ PCI_VDEVICE(NVIDIA, 0x0ab7), board_ahci },		/* MCP79 */
 	{ PCI_VDEVICE(NVIDIA, 0x0ab8), board_ahci },		/* MCP79 */
 	{ PCI_VDEVICE(NVIDIA, 0x0ab9), board_ahci },		/* MCP79 */
 	{ PCI_VDEVICE(NVIDIA, 0x0aba), board_ahci },		/* MCP79 */