renesas: rzg: Add QoS support for RZ/G2M

Add QoS support for RZ/G2M SoC.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Change-Id: If541278fd629761cc83398bba71e63f09d9dbee6
diff --git a/drivers/renesas/rzg/qos/qos_init.h b/drivers/renesas/rzg/qos/qos_init.h
new file mode 100644
index 0000000..10f60e7
--- /dev/null
+++ b/drivers/renesas/rzg/qos/qos_init.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2020, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef RZG_QOS_INIT_H
+#define RZG_QOS_INIT_H
+
+void rzg_qos_init(void);
+uint8_t rzg_get_boardcnf_phyvalid(void);
+
+#endif /* RZG_QOS_INIT_H */