SPM: Enable NSPE managing client_id

TFM_NS_MANAGE_NSID build flag is added to enable NSPE
managing client_id both in library model and IPC model.

Signed-off-by: Sherry Zhnag <sherry.zhang2@arm.com>
Change-Id: I4e8d1bf8967de442787f4989d2bb8e371f78bef6
diff --git a/secure_fw/spm/include/tfm_nspm.h b/secure_fw/spm/include/tfm_nspm.h
index a458fba..8b27d6e 100644
--- a/secure_fw/spm/include/tfm_nspm.h
+++ b/secure_fw/spm/include/tfm_nspm.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018-2020, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2021, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -40,12 +40,10 @@
 #endif /* !__ARMCC_VERSION */
 #endif /* __GNUC__ && !TFM_MULTI_CORE_TOPOLOGY */
 
-#ifndef TFM_PSA_API
 /**
  * \brief initialise the NS context database
  */
-void tfm_nspm_configure_clients(void);
-#endif
+void tfm_nspm_ctx_init(void);
 
 /**
  * \brief Get the client ID of the current NS client