Merge remote-tracking branch 'dev/msm-4.9-sched' into msm-4.9

* origin/dev/msm-4.9-sched:
  sched: Fix compilation issues with schedutil for !SCHED_WALT
  sched/fair: Bring sched_smp_overlap_capacity out of WALT
  sched/fair: Fix is_packing_eligible() for !SCHED_WALT
  sched: Fix compilation issue in task_tick_fair() for !SCHED_WALT
  sched: Move sched_boost defines out of SCHED_WALT
  sched: Fix a compilation issue in find_best_target() for !SCHED_WALT
  sched: Fix a compilation issue when WALT is disabled
  sched: Add a stub for walt_cpu_high_irqload() for !SCHED_WALT
  sched/tune: Fix compilation issue when WALT is disabled
  sched: Define a stub function for sched_irqload when WALT is disabled
  sched: Get sched_task_util trace point working for !SCHED_WALT

Change-Id: I7b12496da6ddcd6518e6d5123ddf4337e2298dca
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>