sched/tick: Ensure timers does not get queued on isolated cpus

Timers should not be queued on isolated cpus. Instead try to find
other cpus to queue timer on.

Change-Id: I5d849dfd29aa5bb594454473768d7db1da258028
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
1 file changed