Patch merged into coreboot/master: mb/asus/p5gc-mx: Add mainboard

the following patch was just integrated into master:
commit 6390e525fcbad63fbf4c0043ae248b24b9a9d0c6
Author: Arthur Heymans 
Date:   Mon Nov 21 17:11:48 2016 +0100

mb/asus/p5gc-mx: Add mainboard

Tested to work:
    * GPU (Nvidia gt210) in PCIe x16 slot;
    * SATA;
    * serial;
    * 800MHz and 1067MHz FSB Core 2 Duo CPUs;
    * ethernet;
    * native VGA graphic init.

What does not work:
    * resume from s3 suspend;
    * superio hardware monitor (not initialised in coreboot).

Quirks:
    * does not boot with just one dimm in slot B.

Change-Id: Ide5494be7f2f16d6b5cfd2ccf4ec438f0587add5
    Signed-off-by: Arthur Heymans 
    Reviewed-on: https://review.coreboot.org/17558
    Tested-by: build bot (Jenkins)
    Reviewed-by: Kyösti Mälkki

See https://review.coreboot.org/17558 for details.

-gerrit