nb/intel/nehalem: Fix DEVEN defines

The DEVEN defines are wrong, but weren't used at all.
Fix them as they are needed by the hybrid_graphics_driver and
use the defines instead of magic values.

Tested on Lenovo T410: The IGD turns on with the correct value.

Change-Id: Idf9fc0115de5c72f7d5d88cbb09ae1d2fee0afd0
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/27104
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

0 files changed, 0 insertions, 0 deletions