Revert "clocks: Fix unused variable error"

This reverts commit 9d742c8ec7438398344dca5dd5539cc8c8d3fde0.
Revert "gpu: Glitch free GPU frequency changing"

This reverts commit 983edd5c5dd11de7fefb87edfc8851d526839bc0.
Revert "gpu: Kconfig: default GPU overclock to y"

This reverts commit 26fdd610dffb92b8bc406778c103b6e943eff9a1.
Revert "msm: Adreno 2xx GPU overclocking to 480 MHz"

This reverts commit e685231584ac43752eede04764b3bdff0a4a721d.