fw_lab_triage_helper: Use elogtool instead of mosys eventlog

"mosys eventlog" is being replaced by elogtool.  The output format is
compatible.

BUG=b:203777035
TEST=CQ

Change-Id: I25f333443b23ef454a97362d88af6006fdfa37cd
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crostestutils/+/3243823
Tested-by: Jack Rosenthal <jrosenth@chromium.org>
Auto-Submit: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Ricardo Quesada <ricardoq@chromium.org>
Reviewed-by: Kevin Shelton <kmshelton@chromium.org>
Commit-Queue: Kevin Shelton <kmshelton@chromium.org>
1 file changed