thermal: Initialize thermal subsystem earlier

Now that the thermal framework is built-in, in order to facilitate
thermal mitigation as early as possible in the boot cycle, move the
thermal framework initialization to core_initcall.

Signed-off-by: Amit Kucheria <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Signed-off-by: Daniel Lezcano <[email protected]>
Link: https://lore.kernel.org/r/f8ff0ab4a8e9c2eca5a26fb2256365b26cb326ce.1571656015.git.amit.kucheria@linaro.org

Author: idlethread

drivers/thermal/thermal_core.c

@@ -1537,4 +1537,4 @@ static int __init thermal_init(void)
 	mutex_destroy(&poweroff_lock);
 	return result;
 }
-fs_initcall(thermal_init);
+core_initcall(thermal_init);