Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/thermal/power_allocator.c b/drivers/thermal/power_allocator.c
index 3055f9a..4463647 100644
--- a/drivers/thermal/power_allocator.c
+++ b/drivers/thermal/power_allocator.c
@@ -651,13 +651,4 @@
 	.unbind_from_tz	= power_allocator_unbind,
 	.throttle	= power_allocator_throttle,
 };
-
-int thermal_gov_power_allocator_register(void)
-{
-	return thermal_register_governor(&thermal_gov_power_allocator);
-}
-
-void thermal_gov_power_allocator_unregister(void)
-{
-	thermal_unregister_governor(&thermal_gov_power_allocator);
-}
+THERMAL_GOVERNOR_DECLARE(thermal_gov_power_allocator);