Merge "msm: kgsl: Don't delete uninitialized preemption timer" into msm-4.9

	/* Turn off all the timers */

	del_timer_sync(&dispatcher->timer);

	del_timer_sync(&dispatcher->fault_timer);

	/*

	 * Deleting uninitialized timer will block for ever on kernel debug

	 * disable build. Hence skip del timer if it is not initialized.

	 */

	if (adreno_is_preemption_enabled(adreno_dev))

		del_timer_sync(&adreno_dev->preempt.timer);

	mutex_lock(&device->mutex);