Revert "Enable Kernel hacking again"

This reverts commit fc96b9511fef38a36804aa68aac9ac99743580a6.
Revert "Add OC up to 2GHz(thanks to andr00ib) and undervolt kernel"

This reverts commit 691a0151c7ffc32f0d02a65a3fa447c6d0278c5b.
Revert "Changes for linaro-4.8"

This reverts commit 421d1af090929f16ff3e722838a8bc1c775148cb.