Patch merged into coreboot/master: nb/intel/x4x: Tidy up northbridge

the following patch was just integrated into master:
commit fe9876a7631c7982fccf38692dbed955e229f47b
Author: Damien Zammit 
Date:   Fri Jan 22 19:11:05 2016 +1100

nb/intel/x4x: Tidy up northbridge

- Add device enable macros
    - Set the PMBASE correctly through southbridge device

Change-Id: I1b8cc3de96b1ecaf01e31bad8fba1fada8671c2d
    Signed-off-by: Damien Zammit 
    Reviewed-on: https://review.coreboot.org/13126
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer 
    Reviewed-by: Alexandru Gagniuc

See https://review.coreboot.org/13126 for details.

-gerrit