Find matching settings for each CPUs FID, VID, and P-state registers and initialize...

Supports single and split plane systems. Set P0 on all cores for best performance.
All APs will be in hlt(C1).

The platform warm rest logic has been updated to alway reset for HT and FID/VID setup. It is not optional anymore.

Signed-off-by: Marc Jones <marc.jones@amd.com>
Acked-by: Stefan Reinauer <stepan@coresystems.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3251 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1