intel_idle: Setup the timer broadcast only on successful driver load.

intel_idle: Setup the timer broadcast only on successful driver load.

Orabug: 24810432

This driver sets the broadcast tick quite early on during probe and does
not clean up again in cast of failure.  This patch moves the setup call
after the registration, placing the on_each_cpu() calls within the global
CPU lock region.

Signed-off-by: Richard Cochran <rcochran@linutronix.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit 2259a819a8d37e472f08c88bc0dd22194754adb4)
Signed-off-by: Brian Maly <brian.maly@oracle.com>