ARM: dts: imx: add Boundary Devices Nitrogen6_SOM2 support

SoM based on i.MX6 Quad with 1GB of DDR3.

https://boundarydevices.com/product/nit6x-som-v2/Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/Makefile

@@ -388,6 +388,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
 	imx6q-marsboard.dtb \
 	imx6q-nitrogen6x.dtb \
 	imx6q-nitrogen6_max.dtb \
+	imx6q-nitrogen6_som2.dtb \
 	imx6q-novena.dtb \
 	imx6q-phytec-pbab01.dtb \
 	imx6q-rex-pro.dtb \

arch/arm/boot/dts/imx6q-nitrogen6_som2.dts

+/*
+ * Copyright 2016 Boundary Devices, Inc.
+ *
+ * This file is dual-licensed: you can use it either under the terms
+ * of the GPL or the X11 license, at your option. Note that this dual
+ * licensing only applies to this file, and not this project as a
+ * whole.
+ *
+ *  a) This file is free software; you can redistribute it and/or
+ *     modify it under the terms of the GNU General Public License
+ *     version 2 as published by the Free Software Foundation.
+ *
+ *     This file is distributed in the hope that it will be useful
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ * Or, alternatively
+ *
+ *  b) Permission is hereby granted, free of charge, to any person
+ *     obtaining a copy of this software and associated documentation
+ *     files (the "Software"), to deal in the Software without
+ *     restriction, including without limitation the rights to use
+ *     copy, modify, merge, publish, distribute, sublicense, and/or
+ *     sell copies of the Software, and to permit persons to whom the
+ *     Software is furnished to do so, subject to the following
+ *     conditions:
+ *
+ *     The above copyright notice and this permission notice shall be
+ *     included in all copies or substantial portions of the Software.
+ *
+ *     THE SOFTWARE IS PROVIDED , WITHOUT WARRANTY OF ANY KIND
+ *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY
+ *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ *     OTHER DEALINGS IN THE SOFTWARE.
+ */
+/dts-v1/;
+
+#include "imx6q.dtsi"
+#include "imx6qdl-nitrogen6_som2.dtsi"
+
+/ {
+	model = "Boundary Devices i.MX6 Quad Nitrogen6_SOM2 Board";
+	compatible = "boundary,imx6q-nitrogen6_som2", "fsl,imx6q";
+};
+
+&sata {
+	status = "okay";
+};