Revert "mali: GPU control (thx to AndreiLux)"

This reverts commit b41a642d633c63787399e63578a3be5dfc1148fe.
mali: GPU control (thx to AndreiLux)

GPU frequency, scaling and voltage control.
Based on netarchy's initial implementation and improvements of gokhanmoral and ported onto the pegasus-m400 / Galaxy S3 platform.

adjusted and slightly corrected by andip71
mali: add GPU overclocking frequencies

credits to Simone201
boeffla ramfs: remove governor detection from boeffla tweaks script
boeffla ramfs: enable GPU overclocking + reworked GPU undervolting scripts

- GPU overclocking with 2 profiles
- GPU undervolting support is now dynamic based on selected clocking
boeffla ramfs: Boeffla-Sound Engine 1.6.0

- stereo expansion added
- mono downmix added
boeffla ramfs: Add options for engine 1.6.0 to tweaks app and config file

- stereo expansion
- mono downmix