ahci: RAID mode SATA patch for Intel ICH9M

This patch adds the Intel ICH9M RAID controller DID for SATA support.

Signed-off-by:  Jason Gaston <jason.d.gaston@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

drivers/ata/ahci.c

@@ -389,6 +389,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x2929), board_ahci_pi }, /* ICH9M */
 	{ PCI_VDEVICE(INTEL, 0x292a), board_ahci_pi }, /* ICH9M */
 	{ PCI_VDEVICE(INTEL, 0x292b), board_ahci_pi }, /* ICH9M */
+	{ PCI_VDEVICE(INTEL, 0x292c), board_ahci_pi }, /* ICH9M */
 	{ PCI_VDEVICE(INTEL, 0x292f), board_ahci_pi }, /* ICH9M */
 	{ PCI_VDEVICE(INTEL, 0x294d), board_ahci_pi }, /* ICH9 */
 	{ PCI_VDEVICE(INTEL, 0x294e), board_ahci_pi }, /* ICH9M */