mediatek/mt8173: Add mtcmos power-on control for audio and display

BRANCH=none
BUG=none
TEST=none

Change-Id: Ic046c66c8e314bd61f96c2edbc5d832260590afe
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 84de3a6f1a726938e2318814d6faaf6a7dd29ac0
Original-Change-Id: If29f28a092617532dd73e71e0dbe24fd930c3bf8
Original-Signed-off-by: CC Ma <cc.ma@mediatek.com>
Original-Reviewed-on: https://chromium-review.googlesource.com/292677
Original-Commit-Ready: Yidi Lin <yidi.lin@mediatek.com>
Original-Tested-by: Yidi Lin <yidi.lin@mediatek.com>
Original-Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/12617
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
diff --git a/src/soc/mediatek/mt8173/include/soc/mtcmos.h b/src/soc/mediatek/mt8173/include/soc/mtcmos.h
new file mode 100644
index 0000000..a2b4f65
--- /dev/null
+++ b/src/soc/mediatek/mt8173/include/soc/mtcmos.h
@@ -0,0 +1,21 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 MediaTek Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __SOC_MEDIATEK_MT8173_MTCMOS_H__
+#define __SOC_MEDIATEK_MT8173_MTCMOS_H__
+
+void mtcmos_audio_power_on(void);
+void mtcmos_display_power_on(void);
+#endif /* __SOC_MEDIATEK_MT8173_MTCMOS_H__ */