Add tf-psa-crypto test suites build

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 16d92c3..479863e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -405,6 +405,7 @@
     enable_testing()
 
     add_subdirectory(tests)
+    add_subdirectory(tf-psa-crypto/tests)
 
     # additional convenience targets for Unix only
     if(UNIX)