[coreboot] [PATCH 4/6 V3] Geode GX2 cleanup patch

[Nils]

I wrote:
> Remove duplicated GX2 processor IIOC mode setting on CS5535 southbridge
> code and fix CIS mode comments.
> 
> Signed-off-by: Nils Jacobs <njacobs8 at hetnet.nl>
> 
> V2: Add a extra comment.
> V3: Remove already commited part.
> 
> Thanks, Nils.

This can be dropped, Stefan already committed this just yet.
Thanks!

Nils.