Revert "Remove mbedtls_test"

This reverts commit 939ce9d0d543530b84eef05405ee21ee89eb8246.

Build mbedtls_test library of objects to link
with TLS and x509 test suites and programs
with mbedtls framework not TF-PSA-Crypto
one (when it will be there).

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/programs/util/CMakeLists.txt b/programs/util/CMakeLists.txt
index ae1b467..c1b6b75 100644
--- a/programs/util/CMakeLists.txt
+++ b/programs/util/CMakeLists.txt
@@ -10,7 +10,7 @@
 add_dependencies(${programs_target} ${executables})
 
 foreach(exe IN LISTS executables)
-    add_executable(${exe} ${exe}.c $<TARGET_OBJECTS:tf_psa_crypto_test>)
+    add_executable(${exe} ${exe}.c $<TARGET_OBJECTS:mbedtls_test>)
     set_base_compile_options(${exe})
     target_link_libraries(${exe} ${libs} ${CMAKE_THREAD_LIBS_INIT})
     target_include_directories(${exe} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/../../framework/tests/include)