timebase: Don't run pollers on non-boot CPU in time_wait
timebase: Don't run pollers on non-boot CPU in time_wait

Signed-off-by: Benjamin Herrenschmidt <a7089bb6e7e92505d88aaff006cbdd60cc9120b6@kernel.crashing.org>

legoater/skiboot,open-power/skiboot,mikey/skiboot,apopple/skiboot,csmart/skiboot,shenki/skiboot,ddstreet/skiboot,apopple/skiboot,stewart-ibm/skiboot,ddstreet/skiboot,csmart/skiboot,shenki/skiboot,mikey/skiboot,qemu/skiboot,open-power/skiboot,qemu/skiboot,open-power/skiboot,legoater/skiboot,shenki/skiboot,shenki/skiboot,stewart-ibm/skiboot,qemu/skiboot,legoater/skiboot,open-power/skiboot,mikey/skiboot,open-power/skiboot,apopple/skiboot,qemu/skiboot,csmart/skiboot,stewart-ibm/skiboot,qemu/skiboot,shenki/skiboot,ddstreet/skiboot,legoater/skiboot,legoater/skiboot