Rename project in CMake

TODO: to create symlinks to the old names!
diff --git a/programs/test/CMakeLists.txt b/programs/test/CMakeLists.txt
index 758b7a5..da3376e 100644
--- a/programs/test/CMakeLists.txt
+++ b/programs/test/CMakeLists.txt
@@ -1,7 +1,7 @@
 FIND_PACKAGE(OpenSSL)
 
 set(libs
-     polarssl
+     mbedtls
 )
 
 if(USE_PKCS11_HELPER_LIBRARY)