Revert "msm: kgsl: Make the GPU device aware of the next pending event (CAF)"

This reverts commit 1c46ce03154dcb7667aeabe9124c0a656aa41619.
Revert "Update some parts of kgsl to Linux 3.11 (sakindia123)"

This reverts commit 7c2a06f9066a2f0e01172115cb464cadf43d8398.