FWU: Add the IPC model support

Change-Id: I555169f7bf9c6fa9ab5b5a1d71d196fe3fd11817
Signed-off-by: Sherry Zhang <sherry.zhang2@arm.com>
diff --git a/cmake/install.cmake b/cmake/install.cmake
index f13d3bf..048c900 100644
--- a/cmake/install.cmake
+++ b/cmake/install.cmake
@@ -229,7 +229,10 @@
 endif()
 
 if(TFM_PARTITION_FIRMWARE_UPDATE)
-    if(NOT TFM_PSA_API)
+    if(TFM_PSA_API)
+        install(FILES       ${INTERFACE_SRC_DIR}/tfm_firmware_update_ipc_api.c
+                DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
+    else()
         install(FILES       ${INTERFACE_SRC_DIR}/tfm_firmware_update_func_api.c
                 DESTINATION ${INSTALL_INTERFACE_SRC_DIR})
     endif()