test: psa_pake: add specific log message for the opaque password

Signed-off-by: Valerio Setti <vsetti@baylibre.com>
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 3a79b76..736bc51 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -2201,6 +2201,7 @@
                 mbedtls_printf( " failed\n  ! mbedtls_ssl_set_hs_ecjpake_password_opaque returned %d\n\n", ret );
                 goto exit;
             }
+            mbedtls_printf( "using opaque password\n");
         }
         else
 #endif  /* MBEDTLS_USE_PSA_CRYPTO */