Merge changes...

Merge changes Ide272fd6,Ia2a5c9b0,I373de721,I68cbe5cc,I0fbd6578,I3f0350af,I7123f6b5,Icab1f4e5,Icffe3482 into msm-3.4

* changes:
  msm: kgsl: In recovery search for command stream after global eop
  msm: kgsl: Try to replay commands from bad context in recovery
  msm: kgsl: Expire timestamps after recovery
  msm: kgsl: Mark the hung context in recovery before extraction
  msm: kgsl: Write a separate function to set the reset status
  msm: kgsl: Do not restore per context timestamp states
  msm: kgsl: Turn on preamble to enable replay of commands
  msm: kgsl: Separate function to detect last command in recovery
  msm: kgsl: Create a separate function to extract valid commands