SPM: Add header files for partition static load

- Create two new header files that define the partition and service
  static data type.
- Create a header file for partition static loading definitions.

Change-Id: I73dafef7b587d3cad6fa35ff4788365a9936c062
Signed-off-by: Mingyang Sun <mingyang.sun@arm.com>
diff --git a/secure_fw/spm/cmsis_psa/tfm_rpc.c b/secure_fw/spm/cmsis_psa/tfm_rpc.c
index ac2de38..5872649 100644
--- a/secure_fw/spm/cmsis_psa/tfm_rpc.c
+++ b/secure_fw/spm/cmsis_psa/tfm_rpc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2020, Arm Limited. All rights reserved.
+ * Copyright (c) 2019-2021, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
@@ -9,6 +9,7 @@
 #include "ffm/spm_psa_client_call.h"
 #include "tfm_rpc.h"
 #include "utilities.h"
+#include "load/partition_defs.h"
 
 static void default_handle_req(void)
 {