imx: ventana: add Gateworks Ventana dts

Add Gateworks Ventana dts/dtsi files from Linux 5.11 in preparation for
conversion to driver-model.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/arch/arm/dts/imx6q-gw51xx.dts b/arch/arm/dts/imx6q-gw51xx.dts
new file mode 100644
index 0000000..f801734
--- /dev/null
+++ b/arch/arm/dts/imx6q-gw51xx.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright 2013 Gateworks Corporation
+ */
+
+/dts-v1/;
+#include "imx6q.dtsi"
+#include "imx6qdl-gw51xx.dtsi"
+
+/ {
+	model = "Gateworks Ventana i.MX6 Dual/Quad GW51XX";
+	compatible = "gw,imx6q-gw51xx", "gw,ventana", "fsl,imx6q";
+};