Add early MSR and PCI register initialization.

Add early MSR and PCI register initialization.
This fixes many default setting as well as erratas.
Some CPU core functions were moved from the HT init and platform specific code to the generic Fam10 CPU code.

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@3248 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1