On SandyBridge systems configured to work with Panther Point the CPU would wrongly be described as IvyBridge. Fix this issue and drop an unneeded Kconfig variable at the same time. Change-Id: I501a4fa00613e589cd315cfee61b2f9561dfcb4d Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1335 Tested-by: build bot (Jenkins) Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>