thermal: core: Adjust thermal_wq allocation flags

The thermal workqueue doesn't need to be freezable or per-CPU, so drop
WQ_FREEZABLE and WQ_PERCPU from the flags when allocating it.

No intentional functional impact.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
[ rjw: Subject rewrite ]
Link: https://patch.msgid.link/3413335.44csPzL39Z@rafael.j.wysocki
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Author: rafaeljw

drivers/thermal/thermal_core.c

@@ -1904,8 +1904,7 @@ static int __init thermal_init(void)
 	if (result)
 		goto error;
 
-	thermal_wq = alloc_workqueue("thermal_events",
-				      WQ_FREEZABLE | WQ_POWER_EFFICIENT | WQ_PERCPU, 0);
+	thermal_wq = alloc_workqueue("thermal_events", WQ_POWER_EFFICIENT, 0);
 	if (!thermal_wq) {
 		result = -ENOMEM;
 		goto unregister_netlink;