arm64: dts: nuvoton: Add initial NPCM845 EVB device tree

Add initial Nuvoton NPCM845 evaluation board device tree.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm64/boot/dts/nuvoton/Makefile

+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_NPCM) += nuvoton-npcm845-evb.dtb

arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts

+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2021 Nuvoton Technology tomer.maimon@nuvoton.com
+
+/dts-v1/;
+#include "nuvoton-npcm845.dtsi"
+
+/ {
+	model = "Nuvoton npcm845 Development Board (Device Tree)";
+	compatible = "nuvoton,npcm845-evb", "nuvoton,npcm845";
+
+	aliases {
+		serial0 = &serial0;
+	};
+
+	chosen {
+		stdout-path = &serial0;
+	};
+
+	memory {
+		reg = <0x0 0x0 0x0 0x40000000>;
+	};
+};
+
+&serial0 {
+	status = "okay";
+};
+
+&watchdog1 {
+	status = "okay";
+};