bootz: un-staticize do_bootz

Make do_bootz available for other functions like do_bootm is.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>

common/cmd_bootm.c

@@ -1707,7 +1707,7 @@ static int bootz_start(cmd_tbl_t *cmdtp, int flag, int argc,
 	return 0;
 }
 
-static int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	bootm_headers_t	images;
 

include/command.h

@@ -110,6 +110,8 @@ static inline int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
 }
 #endif
 
+extern int do_bootz(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
+
 extern int common_diskboot(cmd_tbl_t *cmdtp, const char *intf, int argc,
 			   char *const argv[]);