arm64: dts: Add Mediatek SoC MT8192 and evaluation board dts and Makefile

Add basic chip support for Mediatek MT8192
Signed-off-by: Seiya Wang <seiya.wang@mediatek.com>
Link: https://lore.kernel.org/r/20201030092207.26488-2-seiya.wang@mediatek.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/Makefile

@@ -14,4 +14,5 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-elm-hana-rev7.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8173-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8183-kukui-krane-sku176.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8192-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb

arch/arm64/boot/dts/mediatek/mt8192-evb.dts

+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2020 MediaTek Inc.
+ * Author: Seiya Wang <seiya.wang@mediatek.com>
+ */
+/dts-v1/;
+#include "mt8192.dtsi"
+
+/ {
+	model = "MediaTek MT8192 evaluation board";
+	compatible = "mediatek,mt8192-evb", "mediatek,mt8192";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:921600n8";
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0 0x40000000 0 0x80000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};