eventlog: Add additional EC host events

Add additional EC host events for logging. Some of these should likely
never end up in the event log.

BUG=chrome-os-partner:36985
TEST=Manual on Samus. Trigger EC panic, verify that "Panic Reset in
previous boot" is seen in /var/log/eventlog.
BRANCH=Samus

Change-Id: I8b54409e1c596eb5ce692bdb83c8911a5070af62
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/252402
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
2 files changed