Arch timer stops during system suspend. Add arm,no-tick-in-suspend
property in timer.

This is a follow up for d8ec7595
("clocksource/drivers/arm_arch_timer: Don't assume clock runs in
suspend")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>