We should drop reference to twl6040_core_node device_node once we are done
using it.
Signed-off-by: NLibo Chen <libo.chen@huawei.com>
Acked-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>