forked from auracaster/openocd
Clean up the working area in case writing fails. Adapted from armv7m_checksum_memory(). Change-Id: I4e5950f568ed70a72a1dcfd77e3321110b17e1de Signed-off-by: Andreas Färber <afaerber@suse.de> Reviewed-on: http://openocd.zylin.com/3469 Tested-by: jenkins Reviewed-by: Tomas Vanek <vanekt@fbl.cz>