sb/intel/common: Fix conflicting OIC register definition

Commit d2d2aef6a3 (sb/intel/{bd82x6,ibexpeak}: Move RCBA macros to a
common location) makes some platforms use the wrong OIC register defi-
nition. It was extended to 16-bit in the corporate version of ICH10.
So let's give the new size and location a new name: EOIC (extended OIC).

This only touches the systems affected by the mentioned change. Other
platforms still need to be adapted before they can use the common RCBA
definitions.

Change-Id: If9e554c072f01412164dc35e0b09272142e3796f
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: https://review.coreboot.org/24924
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Bill XIE <persmule@gmail.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
8 files changed