Sanitize the inclusion of mc146818rtc.h in bootblock_common.h Change-Id: I37d9ffd1375aedbf1f3eaa4ddce27e16166ce0b9 Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com> Reviewed-on: http://review.coreboot.org/6119 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>