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>
diff --git a/include/mbedtls/psa_util.h b/include/mbedtls/psa_util.h
index 64c2435..5fdecc6 100644
--- a/include/mbedtls/psa_util.h
+++ b/include/mbedtls/psa_util.h
@@ -123,7 +123,7 @@
 /* Translations for hashing. */
 
 /* Note: this function should not be used from inside the library, use
- * mbedtls_hash_info_psa_from_md() from the internal hash_info.h instead.
+ * mbedtls_md_psa_alg_from_type() from the internal hash_info.h instead.
  * It is kept only for compatibility in case applications were using it. */
 static inline psa_algorithm_t mbedtls_psa_translate_md(mbedtls_md_type_t md_alg)
 {