PKCS5: always use MD

As a consequence, MD_C is now enabled in component accel_hash_use_psa.

Fix guards in X.509 info function to avoid this causing a failure now.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 412bb0a..0d7ea14 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -169,8 +169,7 @@
 #endif
 
 #if defined(MBEDTLS_PKCS5_C) && \
-    ( !( defined(MBEDTLS_MD_C) || defined(MBEDTLS_PSA_CRYPTO_C) ) || \
-        !defined(MBEDTLS_CIPHER_C) )
+    !defined(MBEDTLS_CIPHER_C)
 #error "MBEDTLS_PKCS5_C defined, but not all prerequisites"
 #endif