Use MD<->PSA functions from MD light

As usual, just a search-and-replace plus:

1. Removing things from hash_info.[ch]
2. Adding new auto-enable MD_LIGHT in build-info.h
3. Including md_psa.h where needed

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>

library/ssl_tls13_client.c

@@ -850,7 +850,7 @@ static int ssl_tls13_write_binder(mbedtls_ssl_context *ssl,
 
     /* Get current state of handshake transcript. */
     ret = mbedtls_ssl_get_handshake_transcript(
-        ssl, mbedtls_hash_info_md_from_psa(hash_alg),
+        ssl, mbedtls_md_type_from_psa_alg(hash_alg),
         transcript, sizeof(transcript), &transcript_len);
     if (ret != 0) {
         return ret;