[new uImage] Add autostart flag to bootm_headers structure

The autostart env variable was dropped as part of the initial new uImage
cleanup.  Add it back here so the arch specific code can decide if it
wants to really boot or not.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Marian Balakowicz <m8@semihalf.com>

common/cmd_bootm.c

@@ -123,6 +123,7 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 
 	memset ((void *)&images, 0, sizeof (images));
 	images.verify = getenv_verify();
+	images.autostart = getenv_autostart();
 	images.lmb = &lmb;
 
 	lmb_init(&lmb);

common/image.c

@@ -126,6 +126,12 @@ int getenv_verify (void)
 	return (s && (*s == 'n')) ? 0 : 1;
 }
 
+int getenv_autostart (void)
+{
+	char *s = getenv ("autostart");
+	return (s && (*s == 'n')) ? 0 : 1;
+}
+
 void memmove_wd (void *to, void *from, size_t len, ulong chunksz)
 {
 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG)

include/image.h

@@ -204,6 +204,7 @@ typedef struct bootm_headers {
 	char		*fit_uname_fdt;	/* FDT blob node unit name */
 #endif
 	int		verify;		/* getenv("verify")[0] != 'n' */
+	int		autostart;	/* getenv("autostart")[0] != 'n' */
 	struct lmb	*lmb;		/* for memory mgmt */
 #endif
 } bootm_headers_t;
@@ -314,6 +315,7 @@ int image_check_dcrc (image_header_t *hdr);
 #ifndef USE_HOSTCC
 int image_check_dcrc_wd (image_header_t *hdr, ulong chunksize);
 int getenv_verify (void);
+int getenv_autostart (void);
 void memmove_wd (void *to, void *from, size_t len, ulong chunksz);
 #endif