Bellongs to r3946

Following patch adds dynamically generated P-States infrastructure as well as
M2V-MX SE as example how to do that. It is based on AMD code and mine code for
ACPI generation.

Signed-off-by: Rudolf Marek <r.marek@assembler.cz>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3947 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1