[coreboot-gerrit] Patch merged into coreboot/master: nb/intel/x4x: Increase MMIO PCI space to 2GiB

the following patch was just integrated into master:
commit 523e90f9c7b749b6a6131557df88e8e645f98aa8
Author: Damien Zammit 
Date:   Mon Sep 5 02:32:40 2016 +1000

nb/intel/x4x: Increase MMIO PCI space to 2GiB

This is necessary for PCI express graphics card add-ons,
    otherwise the pci allocator cannot fit the mmio for the
    add on card into the space it has available and the OS
    turns off the card.  Old value was 1GiB.

Change-Id: I606994501b15e636fe209d1ed4b3d3f73b42bf5c
    Signed-off-by: Damien Zammit 
    Reviewed-on: https://review.coreboot.org/16494
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Rudolph 
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/16494 for details.

-gerrit