mx7d: Add Storopack's SMEGW01 board

Add support for Storopack's SMEGW01 board, which is an
IoT gateway based on the i.MX7D SoC.

Based on the original U-Boot work done by Phytec.

Signed-off-by: Fabio Estevam <festevam@denx.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 6884c4e..27bc6a7 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -834,8 +834,8 @@
 	imx7s-warp.dtb \
 	imx7d-meerkat96.dtb \
 	imx7d-pico-pi.dtb \
-	imx7d-pico-hobbit.dtb
-
+	imx7d-pico-hobbit.dtb \
+	imx7d-smegw01.dtb
 
 dtb-$(CONFIG_ARCH_MX7ULP) += imx7ulp-com.dtb \
 	imx7ulp-evk.dtb