Enable testing with PSA for config-mini-tls1_1

Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/configs/config-mini-tls1_1.h b/configs/config-mini-tls1_1.h
index 638c1e2..afa5cc8 100644
--- a/configs/config-mini-tls1_1.h
+++ b/configs/config-mini-tls1_1.h
@@ -71,6 +71,11 @@
 /* For testing with compat.sh */
 #define MBEDTLS_FS_IO
 
+/* These defines are present so that the config modifying scripts can enable
+ * them during tests/scripts/test-ref-configs.pl */
+//#define MBEDTLS_USE_PSA_CRYPTO
+//#define MBEDTLS_PSA_CRYPTO_C
+
 #include "mbedtls/check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */