PM: devfreq: Use high priority workqueue

It does not make sense to run kgsl on high and devfreq on regular
priority.

Change-Id: Ie5e6c9353a4e1324a6a49278e5ad3638462f551c
Signed-off-by: flar2 <asegaert@gmail.com>
Signed-off-by: Dusan Uveric <dusan.uveric9@gmail.com>

drivers/devfreq/devfreq.c

@@ -1103,7 +1103,9 @@ static int __init devfreq_init(void)
 		return PTR_ERR(devfreq_class);
 	}
 
-	devfreq_wq = create_freezable_workqueue("devfreq_wq");
+	devfreq_wq = alloc_workqueue("devfreq_wq",
+			    WQ_HIGHPRI | WQ_UNBOUND | WQ_FREEZABLE |
+			    WQ_MEM_RECLAIM, 0);
 	if (!devfreq_wq) {
 		class_destroy(devfreq_class);
 		pr_err("%s: couldn't create workqueue\n", __FILE__);