Revert "Revert "Revert "Squash 'enhance power efficiency' patches"""

This reverts commit 4276266278f9a5b58277d06184272cad8c88e24e.
Update 92Ska
Update ska_defconfig
mm: vmscan: reduce swappiness to 10%

https://github.com/anarkia1976/AK-OnePone/commit/12a9461db94dd4030a84ff9aaa3037a1f8f59f86
xz: Optimize Sfck Compression 1

https://github.com/anarkia1976/AK-OnePone/commit/ec7e4dcbde7497d7415f795b634f0ae9d4df2142
xz: Optimize Sfck Compression 2

https://github.com/anarkia1976/AK-OnePone/commit/ec7e4dcbde7497d7415f795b634f0ae9d4df2142
PM: devfreq: Report correct GPU frequency in sysfs

https://github.com/anarkia1976/AK-OnePone/commit/377208748154943bcd5568b796b07dc2b564c4cd#diff-a20c5be16a95b59d8023e63f9ffa6523R548
Delete cpu-boost.c
Merge pull request #3 from JTrefzger/build

merge