ARM: board: udoo_neo: Import UDOO Neo dts files

Import the i.MX6SX based UDOO Neo dts files from Linux 5.12-rc1
and sync the i.MX6SX pinfunc.h

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Cc: Francesco Montefoschi <francesco.montefoschi@udoo.org>
Cc: Breno Lima <breno.lima@nxp.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/dts/imx6sx-udoo-neo-extended.dts b/arch/arm/dts/imx6sx-udoo-neo-extended.dts
new file mode 100644
index 0000000..5817b49
--- /dev/null
+++ b/arch/arm/dts/imx6sx-udoo-neo-extended.dts
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016 Andreas Färber
+ */
+
+/dts-v1/;
+
+#include "imx6sx-udoo-neo.dtsi"
+
+/ {
+	model = "UDOO Neo Extended";
+	compatible = "udoo,neoextended", "fsl,imx6sx";
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x40000000>;
+	};
+};
+
+&i2c4 { /* Onboard Motion sensors */
+	status = "okay";
+};
+
+&uart3 { /* Bluetooth */
+	status = "okay";
+};