rcar_gen3: drivers: pfc: Move PFC drivers out of staging

Now that PFC drivers are cleaned up , move them out of staging.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: Ie594b53558c2bfb8e5d88e5b0354752c17a2487e
diff --git a/drivers/renesas/rcar/pfc/D3/pfc_init_d3.h b/drivers/renesas/rcar/pfc/D3/pfc_init_d3.h
new file mode 100644
index 0000000..b7b1754
--- /dev/null
+++ b/drivers/renesas/rcar/pfc/D3/pfc_init_d3.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2017, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PFC_INIT_D3_H
+#define PFC_INIT_D3_H
+
+void pfc_init_d3(void);
+
+#endif	/* PFC_INIT_D3_H */