thermal: add the note for set_trip_temp

Fixes commit 60f9ce3ada53
("thermal: of-thermal: allow setting trip_temp on hardware")

Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <edubezval@gmail.com>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
1 file changed