arm: dts: imx7d-sdb add basic dts

Add basic dts for i.MX7D-SDB board.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index a985c5d..e1a2b07 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -345,7 +345,8 @@
 	imx6ul-isiot-nand.dtb \
 	imx6ul-opos6uldev.dtb
 
-dtb-$(CONFIG_MX7) += imx7-colibri.dtb
+dtb-$(CONFIG_MX7) += imx7-colibri.dtb \
+	imx7d-sdb.dtb
 
 dtb-$(CONFIG_ARCH_MX7ULP) += imx7ulp-evk.dtb
 
diff --git a/arch/arm/dts/imx7d-sdb.dts b/arch/arm/dts/imx7d-sdb.dts
new file mode 100644
index 0000000..0378897
--- /dev/null
+++ b/arch/arm/dts/imx7d-sdb.dts
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2017 NXP
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+/dts-v1/;
+
+#include "imx7d.dtsi"
+
+/ {
+	model = "Freescale i.MX7 SabreSD Board";
+	compatible = "fsl,imx7d-sdb", "fsl,imx7d";
+
+	memory {
+		reg = <0x80000000 0x80000000>;
+	};
+
+};
diff --git a/configs/mx7dsabresd_defconfig b/configs/mx7dsabresd_defconfig
index 0701e1d..9fe7c97 100644
--- a/configs/mx7dsabresd_defconfig
+++ b/configs/mx7dsabresd_defconfig
@@ -6,6 +6,7 @@
 CONFIG_IMX_BOOTAUX=y
 # CONFIG_CMD_BMODE is not set
 CONFIG_VIDEO=y
+CONFIG_DEFAULT_DEVICE_TREE="imx7d-sdb"
 CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/freescale/mx7dsabresd/imximage.cfg"
 CONFIG_BOOTDELAY=3
 # CONFIG_CONSOLE_MUX is not set
@@ -34,6 +35,7 @@
 CONFIG_CMD_EXT4=y
 CONFIG_CMD_EXT4_WRITE=y
 CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
 CONFIG_USB=y
@@ -46,4 +48,3 @@
 CONFIG_G_DNL_MANUFACTURER="FSL"
 CONFIG_G_DNL_VENDOR_NUM=0x0525
 CONFIG_G_DNL_PRODUCT_NUM=0xa4a5
-CONFIG_OF_LIBFDT=y