Build: Remove unused veneer from IPC model

Library model veneer source 'tfm_veneers.c' is removed under IPC model.

Change-Id: I23d0789b564766ab39b08f737300a864595114ad
Signed-off-by: Edison Ai <edison.ai@arm.com>
diff --git a/secure_fw/ns_callable/CMakeLists.inc b/secure_fw/ns_callable/CMakeLists.inc
index 5664a8e..3abee33 100644
--- a/secure_fw/ns_callable/CMakeLists.inc
+++ b/secure_fw/ns_callable/CMakeLists.inc
@@ -23,7 +23,11 @@
 	message(FATAL_ERROR "Please set TFM_ROOT_DIR before including this file.")
 endif()
 
-set (SS_NS_CALLABLE_C_SRC "${CMAKE_CURRENT_LIST_DIR}/tfm_veneers.c")
+if (TFM_PSA_API)
+	set (SS_NS_CALLABLE_C_SRC "${CMAKE_CURRENT_LIST_DIR}/tfm_psa_api_veneers.c")
+else()
+	set (SS_NS_CALLABLE_C_SRC "${CMAKE_CURRENT_LIST_DIR}/tfm_veneers.c")
+endif()
 
 if (TFM_PARTITION_PLATFORM)
     list(APPEND SS_NS_CALLABLE_C_SRC "${CMAKE_CURRENT_LIST_DIR}/tfm_platform_veneers.c")
@@ -33,10 +37,6 @@
 	list(APPEND SS_NS_CALLABLE_C_SRC "${CMAKE_CURRENT_LIST_DIR}/tfm_audit_veneers.c")
 endif()
 
-if (TFM_PSA_API)
-	list(APPEND SS_NS_CALLABLE_C_SRC "${CMAKE_CURRENT_LIST_DIR}/tfm_psa_api_veneers.c")
-endif()
-
 #Append all our source files to global lists.
 list(APPEND ALL_SRC_C ${SS_NS_CALLABLE_C_SRC})
 unset(SS_NS_CALLABLE_C_SRC)