[coreboot-gerrit] Change in coreboot[master]: src: Remove unneeded include <arch/io.h>

[Elyes HAOUAS (Code Review)]

Elyes HAOUAS has posted comments on this change. ( https://review.coreboot.org/29307 )

Change subject: src: Remove unneeded include <arch/io.h>
......................................................................

Patch Set 13:
> > I'm getting some errors. some of them looks "odd" to me:
>
> Looks like the errors to expect when an #include is missing. How
> did
> you detect which files don't require the #include?
>
> Some of the errors look like they are actually about missing
> #includes
> in other places that were hidden because of #includes you remove
> here.

it was my mistake ... 
if I remove an "include io.h" for exmple from "src/southbridge/amd/cs5536/cs5536.c", the compiler will complain about unknown type here : "cpu/amd/vr.h"