mac80211: add back lost debugfs files

Somehow these files were never present or lost, but the code
is there and they seem somewhat useful, so add them back.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

path: root/tools/perf/scripts/perl/bin/wakeup-latency-report

#!/bin/bash
# description: system-wide min/max/avg wakeup latency
perf script $@ -s "$PERF_EXEC_PATH"/scripts/perl/wakeup-latency.pl