build(intel): enable access to on-chip ram in BL31 for N5X

This adds the ncore ccu access and enable access to the
on-chip ram for N5X device in BL31.

Signed-off-by: Boon Khai Ng <boon.khai.ng@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I713f6e93d33b6e91705547477ca32cfba5c8c13d
diff --git a/plat/intel/soc/common/drivers/ccu/ncore_ccu.h b/plat/intel/soc/common/drivers/ccu/ncore_ccu.h
index d25ecac..3f662ff 100644
--- a/plat/intel/soc/common/drivers/ccu/ncore_ccu.h
+++ b/plat/intel/soc/common/drivers/ccu/ncore_ccu.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019, Intel Corporation. All rights reserved.
+ * Copyright (c) 2019-2022, Intel Corporation. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -104,5 +104,6 @@
 } coh_ss_id_t;
 
 uint32_t init_ncore_ccu(void);
+void ncore_enable_ocram_firewall(void);
 
 #endif