x86: Add DFI BT700 BayTrail board support

This patch adds support for the DFI BayTrail BT700 QSeven SoM installed
on the DFI Q7X-151 baseboard. The baseboard is equipped with the Nuvoton
NCT6102D Super IO chip providing the UART as console.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/dts/Makefile b/arch/x86/dts/Makefile
index 4f07f41..ca086bd 100644
--- a/arch/x86/dts/Makefile
+++ b/arch/x86/dts/Makefile
@@ -9,6 +9,7 @@
 	conga-qeval20-qa3-e3845.dtb \
 	cougarcanyon2.dtb \
 	crownbay.dtb \
+	dfi-bt700-q7x-151.dtb \
 	efi.dtb \
 	galileo.dtb \
 	minnowmax.dtb \