msm: Fix high load average from uninterruptible waits
* The load average on all MSMs is currently hovering at around 14
   due to uninterruptible waits in various places.
* Convert these waits to interruptible waits to bring the load
back down to zero at idle.
msm: kgsl: Update
-kgsl: z180 - disable tracing and postmortem
-kgsl: disable tracing and postmortem Dont DUMP in my House!
-msm: kgsl: show current power level for 8974 SOCs.
-msm: kgsl: Remove sscanf() from kgsl_pwrctrl.c
-msm: kgsl: don't use sscanf()
-msm: kgsl: Fix mem leak when page allocation fails
-msm: kgsl: avoid zero length scatterlist allocation
-msm: kgsl: Fix Z180 memory leak