Rename MBEDTLS_X509_INFO to !MBEDTLS_X509_REMOVE_INFO

The introduction of positive options to control the presence
of pre-existing functionality breaks the build for users of
handwritten configurations.

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index eea3c9b..6624224 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -216,13 +216,13 @@
     /* In real life, we probably want to bail out when ret != 0 */
     if( ( flags = mbedtls_ssl_get_verify_result( &ssl ) ) != 0 )
     {
-#if defined(MBEDTLS_X509_INFO)
+#if !defined(MBEDTLS_X509_REMOVE_INFO)
         char vrfy_buf[512];
 #endif
 
         mbedtls_printf( " failed\n" );
 
-#if defined(MBEDTLS_X509_INFO)
+#if !defined(MBEDTLS_X509_REMOVE_INFO)
         mbedtls_x509_crt_verify_info( vrfy_buf, sizeof( vrfy_buf ), "  ! ", flags );
 
         mbedtls_printf( "%s\n", vrfy_buf );