drivers: Add support to retrieve plat_toc_flags

Add support to retrieve plat_toc_flags value from FIP header flags.
plat_toc_flags is for platform specific use. It is stored in
FIP header by fiptool using --plat-toc-flags option.

Change-Id: Ibadd91b4f28e6503f4426e4efd404bbe512ad124
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Signed-off-by: Sheetal Tigadoli <sheetal.tigadoli@broadcom.com>
diff --git a/include/drivers/io/io_fip.h b/include/drivers/io/io_fip.h
index e0b5746..7e65436 100644
--- a/include/drivers/io/io_fip.h
+++ b/include/drivers/io/io_fip.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2020, ARM Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -10,5 +10,6 @@
 struct io_dev_connector;
 
 int register_io_dev_fip(const struct io_dev_connector **dev_con);
+int fip_dev_get_plat_toc_flag(io_dev_info_t *dev_info, uint16_t *plat_toc_flag);
 
 #endif /* IO_FIP_H */