sched: introduce trace events for EAS task placement

Introduce sched_cpu_util() and sched_task_util().  These are
mainly for ease of debugging and profiling.

Change-Id: Idc8fe37e94a798125caeb76ae835582b593b0a0a
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
2 files changed