Merge pull request #3777 from hanno-arm/x509-info-optimization_rebased

Reduce ROM usage due to X.509 info

library/x509_crl.c

@@ -614,6 +614,7 @@ int mbedtls_x509_crl_parse_file( mbedtls_x509_crl *chain, const char *path )
 }
 #endif /* MBEDTLS_FS_IO */
 
+#if !defined(MBEDTLS_X509_REMOVE_INFO)
 /*
  * Return an informational string about the certificate.
  */
@@ -693,6 +694,7 @@ int mbedtls_x509_crl_info( char *buf, size_t size, const char *prefix,
 
     return( (int) ( size - n ) );
 }
+#endif /* MBEDTLS_X509_REMOVE_INFO */
 
 /*
  * Initialize a CRL chain