input: qpnp-power-on: Fix WARN_ON() after pressing the power button

Maybe kthreads aren't supposed to be IRQ safe, but at the very
least this gets rid of warning every time power button is up.

Fixes: OnePlusOSS/android_kernel_oneplus_sm8350#2
Change-Id: Ib2030f730d3fc79663a77ae4a2b56a8a08da3ad8

drivers/input/misc/qpnp-power-on.c

@@ -2785,6 +2785,7 @@ static int qpnp_pon_probe(struct platform_device *pdev)
 	INIT_DELAYED_WORK(&pon->bark_work, bark_work_func);
 #ifdef CONFIG_OEM_FORCE_DUMP
 	kthread_init_delayed_work(&pon->press_work, press_work_func);
+	pon->press_work.timer.flags |= TIMER_IRQSAFE;
 	pon->kworker = kthread_create_worker(0, "press_worker");
 	if (IS_ERR(pon->kworker))
 		return -ENOMEM;