Add samsung specific changes

include/linux/mailbox/qmp.h

@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2017-2021, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _QMP_H_
+#define _QMP_H_
+
+#include <linux/types.h>
+
+/**
+ * struct qmp_pkt - Packet structure to be used for TX and RX with QMP
+ * @size	size of data
+ * @data	Buffer holding data of this packet
+ */
+struct qmp_pkt {
+	u32 size;
+	void *data;
+};
+
+#endif /* _QMP_H_ */