via82cxxx: add new PCI id for cx700

[bart: manually ported it over via82cxxx changes]

From: Andrew Smith <asmith@tranquility.fsbusiness.co.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index df6dd79a..0519e53 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1351,6 +1351,7 @@
 #define PCI_DEVICE_ID_VIA_8231_4	0x8235
 #define PCI_DEVICE_ID_VIA_8365_1	0x8305
 #define PCI_DEVICE_ID_VIA_CX700		0x8324
+#define PCI_DEVICE_ID_VIA_CX700_IDE	0x0581
 #define PCI_DEVICE_ID_VIA_VX800		0x8353
 #define PCI_DEVICE_ID_VIA_8371_1	0x8391
 #define PCI_DEVICE_ID_VIA_82C598_1	0x8598