Add a helper function specific to ramstage to add the boot count
information into event log at ramstage.
BUG=b:117884485
BRANCH=None
TEST=Add an event log from romstage, boot to ChromeOS
Change-Id: Ic79f1a702548d8a2cd5c13175a9b2d718527953f
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/29542
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>