Add debugging output to confirm that PSA was used for ECDHE
diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index f2e2275..46ec50c 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -3085,6 +3085,8 @@
 
         header_len = 4;
 
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "Perform PSA-based ECDH computation." ) );
+
         /*
          * Generate EC private key for ECDHE exchange.
          */