This patch re-implements support for the CS5536 companion chip for the

This patch re-implements support for the CS5536 companion chip for the
AMD GX and LX processors.   This aguments the previous code, which was
very specific to the OLPC platform with general purpose support and
better integration with the VSA and CPUs.

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@2631 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1