thermal: of: Rename struct __thermal_trip to struct thermal_trip

This patch changes name of struct __thermal_trip to thermal_trip and moves
declaration of the latter to ./include/linux/thermal.h for better visibility.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>

diff --cc drivers/thermal/of-thermal.c
Simple merge

diff --cc include/linux/thermal.h
Simple merge