Intel cpus: add hyper-threading CPU support to new CAR

This improvement of CAR code starts the sibling CPU processors and
clears their cache disable bits (CR0.CD) in case a hyper-threading
CPU is detected.

Change-Id: Ieabb86a7c47afb3e178cc75bb89dee3efe0c3d18
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/604
Tested-by: build bot (Jenkins)
Reviewed-by: Idwer Vollering <vidwer@gmail.com>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
1 file changed