Update powerdevil5 to version 5.25.0 / rev 138 via SR 983420
https://build.opensuse.org/request/show/983420
by user Vogtinator + dimstar_suse
- Add backported upower-Prevent-integer-overflow-during-new-brightness.patch
* Fixes brightness stuck on low level on systems with multiple GPUS
( boo#1199907 kde#454161 )