Added config option CONFIG_SILENT_CONSOLE.  See doc/README.silent
for more information
diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index f17a764..c1bef37 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -96,6 +96,7 @@
  */
 #define	GD_FLG_RELOC	0x00001		/* Code was relocated to RAM		*/
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
+#define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
 
 #if 1
 #define DECLARE_GLOBAL_DATA_PTR     register volatile gd_t *gd asm ("r29")