board: ge: bx50v3: Enable CONFIG_DM

Add simplified, generalised, bx50v3 device tree and enable CONFIG_DM.

Signed-off-by: Ian Ray <ian.ray@ge.com>
diff --git a/arch/arm/dts/imx6q-bx50v3.dts b/arch/arm/dts/imx6q-bx50v3.dts
new file mode 100644
index 0000000..10b1299
--- /dev/null
+++ b/arch/arm/dts/imx6q-bx50v3.dts
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0+ OR X11 */
+/*
+ * Copyright 2015 Timesys Corporation.
+ * Copyright 2018 General Electric Company
+ * Based on imx6q-ba16.dtsi and imx6q-bx50v3.dtsi from kernel 4.20.5.
+ */
+
+/dts-v1/;
+
+#include "imx6q.dtsi"
+
+/ {
+	model = "General Electric Bx50v3";
+	compatible = "ge,imx6q-bx50v3", "advantech,imx6q-ba16", "fsl,imx6q";
+};