Test: Trigger secure tests in SPE in IPC model

This patch enables TF-M SPE to start secure test cases in IPC model
without the routine from NS to Secure Client Service.

Signed-off-by: Jianliang Shen <jianliang.shen@arm.com>
Change-Id: I4581d3e68df48ffa23c440139c90b92576621727
diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index 2413e47..1c1b4e7 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -223,6 +223,7 @@
     PUBLIC
         $<$<BOOL:${TEST_FRAMEWORK_NS}>:TEST_FRAMEWORK_NS>
         $<$<BOOL:${TEST_FRAMEWORK_S}>:TEST_FRAMEWORK_S>
+        $<$<BOOL:${TFM_LIB_MODEL}>:TFM_LIB_MODEL>
 )
 
 ############################# TFM NS app #######################################