Revert "ION: fix compile errors with the new ION driver from the HTC One"

This reverts commit 07b0eda62905c79a1bdb40d199305c43ad10319a.
Revert "GPU: kgsl: revert some of Kondik's changes for legacy kernels"

This reverts commit 0218d4810cf370d2c0426c5fba26b0f37a9a7212.
GPU: import ION drivers from CM MSM8660 Samsung common kernel