x86: ich-spi: Add Intel Tunnel Creek SPI controller support

Add Intel Tunnel Creek SPI controller support which is an ICH7
compatible device.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 16730ec..0379444 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -167,7 +167,8 @@
  */
 static int get_ich_version(uint16_t device_id)
 {
-	if (device_id == PCI_DEVICE_ID_INTEL_TGP_LPC)
+	if (device_id == PCI_DEVICE_ID_INTEL_TGP_LPC ||
+	    device_id == PCI_DEVICE_ID_INTEL_ITC_LPC)
 		return 7;
 
 	if ((device_id >= PCI_DEVICE_ID_INTEL_COUGARPOINT_LPC_MIN &&