This is useful when the PCB layout of a mainboard does not allow stable operation at the increased HyperTransport speeds of newer processors. Change-Id: Idc93a1294608178ddf38ca72d40e6bad7deb9004 Signed-off-by: Timothy Pearson <tpearson@raptorengineeringinc.com> Reviewed-on: http://review.coreboot.org/8464 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marc.jones@se-eng.com>