drivers/thermal/core: Optimize trip points check

The trip points are checked one by one with multiple condition
branches where one condition is enough to disable the trip point.

Merge all these conditions in a single 'OR' statement.

Signed-off-by: Bernard Zhao <bernard@vivo.com>
Suggested-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20201027013743.62392-1-bernard@vivo.com

[dlezcano] Changed patch description