arm: MediaTek: add basic support for MT7629 boards

This adds a general board file based on MT7629 SoCs from MediaTek.

Apart from the generic parts (cpu) we add some low level init codes
and initialize the early clocks.

Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/board/mediatek/mt7629/Kconfig b/board/mediatek/mt7629/Kconfig
new file mode 100644
index 0000000..6055164
--- /dev/null
+++ b/board/mediatek/mt7629/Kconfig
@@ -0,0 +1,17 @@
+if TARGET_MT7629
+
+config SYS_BOARD
+	default "mt7629"
+
+config SYS_CONFIG_NAME
+	default "mt7629"
+
+config MTK_SPL_PAD_SIZE
+	hex
+	default 0x10000
+
+config MTK_BROM_HEADER_INFO
+	string
+	default "media=nor"
+
+endif
diff --git a/board/mediatek/mt7629/MAINTAINERS b/board/mediatek/mt7629/MAINTAINERS
new file mode 100644
index 0000000..424f115
--- /dev/null
+++ b/board/mediatek/mt7629/MAINTAINERS
@@ -0,0 +1,7 @@
+MT7629
+M:	Ryder Lee <ryder.lee@mediatek.com>
+M:	Weijie Gao <weijie.gao@mediatek.com>
+S:	Maintained
+F:	board/mediatek/mt7629
+F:	include/configs/mt7629.h
+F:	configs/mt7629_rfb_defconfig
diff --git a/board/mediatek/mt7629/Makefile b/board/mediatek/mt7629/Makefile
new file mode 100644
index 0000000..83ccbba
--- /dev/null
+++ b/board/mediatek/mt7629/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier:	GPL-2.0
+
+obj-y += mt7629_rfb.o
diff --git a/board/mediatek/mt7629/mt7629_rfb.c b/board/mediatek/mt7629/mt7629_rfb.c
new file mode 100644
index 0000000..08468b5
--- /dev/null
+++ b/board/mediatek/mt7629/mt7629_rfb.c
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#include <common.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	/* address of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+	return 0;
+}