this is the preparation work to build all the thermal core framework
source file, like governors, cpu cooling, etc, into one module.

No functional change in this patch.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Eduardo Valentin <eduardo.valentin@ti.com>
Acked-by: Durgadoss R <durgadoss.r@intel.com>