Set VM_MAX_READAHEAD to 2048 as default

Change-Id: I8010875f4cabb85cf81f03ab62c420a221891e8d
Add wake options, govs, OC

- Added Wave options (s2w, s2s, etc)
- Remove abyssplug and ondemandplus gov
- Added Darkness, intelliactive, lagfree, lionheart, lulz, skywalker, wrexy and smartmax
- Modified m7 defconfig / jet defconfig

All credit to their respective authors

Change-Id: I8b47aa7446e275157be72beda1cf73a55e989b99