There is no point to specify the temperature as long variable, the int is
enough.

Replace all long variables to int, so making the code consistent.
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: NLeo Yan <leo.yan@linaro.org>
Signed-off-by: NEduardo Valentin <edubezval@gmail.com>