Without these delays on fast systems like X230 the port is read before it's updated. Change-Id: I3e01fc348cc5170cec108a05095ba301055ed6b0 Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com> Reviewed-on: http://review.coreboot.org/4617 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>