soc: qcom: pil: Add trace event file for PIL

This is a snapshot of trace event header file as of msm-4.14 commit
<d53d3a92c7a8065>. (Merge "cnss2: Add module parameter to support
different BDF types").

Change-Id: I35ef5301b34623bb2b54281f4da9751561dff958
Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org>