* when busybox is built with CONFIG_CRYPTPW=y, then it will provide
alternative for mkpasswd, which will fail in postinst, because
mkpasswd from expect wasn't using u-a:
update-alternatives: Error: not linking rootfs/usr/bin/mkpasswd to
/bin/busybox.nosuid since rootfs/usr/bin/mkpasswd exists and is not
a link
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> Signed-off-by: Ross Burton <ross.burton@intel.com>