arm: dts: MediaTek: add device tree for MT7629

This patch adds MT7629 device tree and the includes it needs.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/dts/mt7629-rfb-u-boot.dtsi b/arch/arm/dts/mt7629-rfb-u-boot.dtsi
new file mode 100644
index 0000000..1ef5568
--- /dev/null
+++ b/arch/arm/dts/mt7629-rfb-u-boot.dtsi
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ *
+ * Author: Weijie Gao <weijie.gao@mediatek.com>
+ */
+
+#include <config.h>
+/ {
+	binman {
+		filename = "u-boot-mtk.bin";
+		pad-byte = <0xff>;
+
+#ifdef CONFIG_SPL
+		blob {
+			filename = "spl/u-boot-spl-mtk.bin";
+			size = <CONFIG_SPL_PAD_TO>;
+		};
+
+		u-boot-img {
+		};
+#endif
+	};
+};