[coreboot] AMD Agesa and AMD CIMx SB800 code. Patch 3 of 8.

[Stefan Reinauer]

* Vibrans, Frank <Frank.Vibrans at amd.com> [110213 22:49]:
> Add AMD CIMx SB800 wrapper code.  Patch 3 of 8.
> 
> This code provides southbridge initialization for SB800 south bridges.  It is
> dependent on the AMD CIMx/SB800 code.
> 
> Signed-off-by Frank Vibrans <frank.vibrans at amd.com>

Acked-by: Stefan Reinauer <stefan.reinauer at coreboot.org>