Set correct directory for the BR2_ROOTFS_POST_SCRIPT_ARGS.
Signed-off-by: Lukasz Tekieli <tekieli.lukasz@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 9d48748199)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>