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/include/dt-bindings/power/mt7629-power.h b/include/dt-bindings/power/mt7629-power.h
new file mode 100644
index 0000000..c7e6130
--- /dev/null
+++ b/include/dt-bindings/power/mt7629-power.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2018 MediaTek Inc.
+ */
+
+#ifndef _DT_BINDINGS_MT7629_POWER_H
+#define _DT_BINDINGS_MT7629_POWER_H
+
+#define MT7629_POWER_DOMAIN_ETHSYS	0
+#define MT7629_POWER_DOMAIN_HIF0	1
+#define MT7629_POWER_DOMAIN_HIF1	2
+
+#endif /* _DT_BINDINGS_MT7629_POWER_H */