Attest: Implement get token size API

Extend the attestation API with the implementation of
psa_initial_attest_get_token_size() function. It is
meant for retrieving the exact size of the initial
attestation token, but current version just returns
a hard coded value.

Replacement of handwritten veneers to the auto-generated
veneers.

Change-Id: Ibc91c6cdaeecec59c4e1f18576783cb55723e9ec
Signed-off-by: Tamas Ban <tamas.ban@arm.com>
diff --git a/secure_fw/ns_callable/CMakeLists.inc b/secure_fw/ns_callable/CMakeLists.inc
index 80561db..a09ff13 100644
--- a/secure_fw/ns_callable/CMakeLists.inc
+++ b/secure_fw/ns_callable/CMakeLists.inc
@@ -1,5 +1,5 @@
 #-------------------------------------------------------------------------------
-# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
+# Copyright (c) 2017-2019, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -27,8 +27,7 @@
                           "${CMAKE_CURRENT_LIST_DIR}/tfm_sst_veneers.c"
                           "${CMAKE_CURRENT_LIST_DIR}/tfm_audit_veneers.c"
                           "${CMAKE_CURRENT_LIST_DIR}/tfm_crypto_veneers.c"
-                          "${CMAKE_CURRENT_LIST_DIR}/tfm_platform_veneers.c"
-                          "${CMAKE_CURRENT_LIST_DIR}/tfm_initial_attestation_veneers.c")
+                          "${CMAKE_CURRENT_LIST_DIR}/tfm_platform_veneers.c")
 
 #Append all our source files to global lists.
 list(APPEND ALL_SRC_C ${SS_NS_CALLABLE_C_SRC})