Make sure checksum_memory is present. Otherwise it'll segfault. Change-Id: If31123323bd8a03282da43505c9604fde735ad0e Signed-off-by: Yasushi SHOJI <yashi@spacecubics.com> Reviewed-on: https://review.openocd.org/c/openocd/+/6758 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>