x86: spi: Add support for Wildcat Point

Add the Wildcat Point ID so Broadwell U based boards can use SPI.

Signed-off-by: George McCollister <george.mccollister@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
index 2e388e7..be4c0a3 100644
--- a/drivers/spi/ich.c
+++ b/drivers/spi/ich.c
@@ -133,7 +133,8 @@
 	    (device_id >= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MIN &&
 	     device_id <= PCI_DEVICE_ID_INTEL_PANTHERPOINT_LPC_MAX) ||
 	    device_id == PCI_DEVICE_ID_INTEL_VALLEYVIEW_LPC ||
-	    device_id == PCI_DEVICE_ID_INTEL_LYNXPOINT_LPC)
+	    device_id == PCI_DEVICE_ID_INTEL_LYNXPOINT_LPC ||
+	    device_id == PCI_DEVICE_ID_INTEL_WILDCATPOINT_LPC)
 		return 9;
 
 	return 0;