ELOG reads from RTC to build timestamp structure, the resulting timestamp is decoded when printing events. Change-Id: If26552074f18de5095b967b875a0ac1d815a5b31 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/1302 Reviewed-by: Patrick Georgi <patrick@georgi-clan.de> Tested-by: build bot (Jenkins)