POST: add POST_STOP flag

Don't run futher tests in case of a test fails that is marked as
POST_STOP.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Yuri Tikhonov <yur@emcraft.com>
diff --git a/include/asm-sh/global_data.h b/include/asm-sh/global_data.h
index 521a66f..3bfbdb0 100644
--- a/include/asm-sh/global_data.h
+++ b/include/asm-sh/global_data.h
@@ -45,6 +45,7 @@
 #define	GD_FLG_DEVINIT	0x00002		/* Devices have been initialized	*/
 #define	GD_FLG_SILENT	0x00004		/* Silent mode				*/
 #define	GD_FLG_POSTFAIL	0x00008		/* Critical POST test failed		*/
+#define	GD_FLG_POSTSTOP	0x00010		/* POST seqeunce aborted		*/
 
 #define DECLARE_GLOBAL_DATA_PTR	register gd_t *gd asm ("r13")