global_data: unify global flag defines

All the global flag defines are the same across all arches.  So unify them
in one place, and add a simple way for arches to extend for their needs.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/openrisc/include/asm/global_data.h b/arch/openrisc/include/asm/global_data.h
index 36de9d0..6a0c0cc 100644
--- a/arch/openrisc/include/asm/global_data.h
+++ b/arch/openrisc/include/asm/global_data.h
@@ -30,8 +30,6 @@
  * some locked parts of the data cache) to allow for a minimum set of
  * global variables during system initialization (until we have set
  * up the memory controller so that we can use RAM).
- *
- * Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
  */
 
 typedef struct global_data {
@@ -48,25 +46,7 @@
 	char		env_buf[32];	/* buffer for getenv() before reloc. */
 } gd_t;
 
-/*
- * Global Data Flags
- */
-/* Code was relocated to RAM */
-#define GD_FLG_RELOC		0x00001
-/* Devices have been initialized */
-#define GD_FLG_DEVINIT		0x00002
-/* Silent mode */
-#define GD_FLG_SILENT		0x00004
-/* Critical POST test failed */
-#define GD_FLG_POSTFAIL		0x00008
-/* POST seqeunce aborted */
-#define GD_FLG_POSTSTOP		0x00010
-/* Log Buffer has been initialized */
-#define GD_FLG_LOGINIT		0x00020
-/* Disable console (in & out) */
-#define GD_FLG_DISABLE_CONSOLE	0x00040
-/* Environment imported into hash table */
-#define GD_FLG_ENV_READY	0x00080
+#include <asm-generic/global_data_flags.h>
 
 /* OR32 GCC already has r10 set as fixed-use */
 #define DECLARE_GLOBAL_DATA_PTR	register volatile gd_t *gd asm ("r10")