avr32/bootm: remove unused variable 'ret'

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Acked-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>

lib_avr32/bootm.c

@@ -176,7 +176,6 @@ int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
 	void	(*theKernel)(int magic, void *tagtable);
 	struct	tag *params, *params_start;
 	char	*commandline = getenv("bootargs");
-	int	ret;
 
 	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
 		return 1;