Build: Add missing install files

Install TF-M config header file for NS side integration with TF-M.
Install attestation files for NS attestation regression tests.

Signed-off-by: David Hu <david.hu@arm.com>
Change-Id: Ifa837e6468e122bcac52e10be62d13f9442f134c
diff --git a/cmake/install.cmake b/cmake/install.cmake
index 9d09683..561af35 100644
--- a/cmake/install.cmake
+++ b/cmake/install.cmake
@@ -41,6 +41,9 @@
 install(FILES       ${INTERFACE_INC_DIR}/tfm_ns_client_ext.h
         DESTINATION ${INSTALL_INTERFACE_INC_DIR})
 
+install(FILES       ${CMAKE_SOURCE_DIR}/secure_fw/include/config_tfm.h
+        DESTINATION ${INSTALL_INTERFACE_INC_DIR})
+
 install(FILES       ${INTERFACE_INC_DIR}/tfm_psa_call_pack.h
         DESTINATION ${INSTALL_INTERFACE_INC_DIR})
 install(FILES       ${CMAKE_BINARY_DIR}/generated/interface/include/psa/framework_feature.h
@@ -191,6 +194,10 @@
             DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
 endif()
 
+###################### Install for NS regression tests #########################
+
+include(${CMAKE_SOURCE_DIR}/lib/ext/tf-m-tests/install.cmake)
+
 ##################### Platform-specific installation ###########################
 
 if (EXISTS ${TARGET_PLATFORM_PATH}/install.cmake)