i2c-piix4: Add support for the ATI SB700

Add the SMBus device ID for ATI SB700.

Signed-off-by: Henry Su <Henry.su@amd.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 75c4d4d..8300001 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -371,6 +371,7 @@
 #define PCI_DEVICE_ID_ATI_IXP600_SMBUS	0x4385
 #define PCI_DEVICE_ID_ATI_IXP600_IDE	0x438c
 #define PCI_DEVICE_ID_ATI_IXP700_SATA	0x4390
+#define PCI_DEVICE_ID_ATI_IXP700_SMBUS	0x4395
 #define PCI_DEVICE_ID_ATI_IXP700_IDE	0x439c
 
 #define PCI_VENDOR_ID_VLSI		0x1004