systemd: limit journal to 8M

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
bb.org: prep for release

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
bb.org: add (disabled) swap_xy_axes patch from kreijack for xinput_calibrator

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>