Build: Add SST test service SVCs to install target

Ensures that the SST test service SVC handler header file is copied to
the install directory when building the install target.

Change-Id: I0996ff5adc7e63868e77a3cee77d8b47b905a90b
Signed-off-by: Jamie Fox <jamie.fox@arm.com>
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index 2779982..31c933c 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,5 +1,5 @@
 #-------------------------------------------------------------------------------
-# Copyright (c) 2017, Arm Limited. All rights reserved.
+# Copyright (c) 2017-2018, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -69,6 +69,7 @@
 install(FILES ${CMAKE_CURRENT_SOURCE_DIR}/framework/integ_test.h
 				${CMAKE_CURRENT_SOURCE_DIR}/suites/core/non_secure/svc_core_test_ns.h
 				${CMAKE_CURRENT_SOURCE_DIR}/suites/sst/non_secure/os_wrapper.h
+				${CMAKE_CURRENT_SOURCE_DIR}/test_services/tfm_sst_test_service/sst_test_service_svc.h
 		DESTINATION tfm/test/inc)
 
 install(TARGETS tfm_non_secure_tests
@@ -78,4 +79,3 @@
 
 embedded_project_end(tfm_non_secure_tests)
 embedded_project_end(tfm_secure_tests)
-