Crank up CPU speed on Intel Core and Core2 CPUs

Crank up CPU speed on Intel Core and Core2 CPUs

The CPUs start on their slowest speed, and were left that way by
coreboot. This change will speed up coreboot a bit, as well as
systems that don't change the clock for whatever reason.

Change-Id: Ia6225eea97299a473cf50eccc6c5e7de830b1ddc
Signed-off-by: Patrick Georgi <patrick.georgi@secunet.com>
Reviewed-on: http://review.coreboot.org/176
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>