Patch merged into coreboot/master: 30c34c0 nvidia/ck804: make Message Signaled Interrupts work

the following patch was just integrated into master:
commit 30c34c07510887121c0f828e724eb04ee36cfddf
Author: Jonathan A. Kollasch 
Date:   Sun Jan 25 12:57:43 2015 -0600

nvidia/ck804: make Message Signaled Interrupts work

Use HT MSI Mapping capability register at 0xe0 in CK804 HT device to enable
    HT MSI Mapping so that MSIs work.  Prior to this change PCIe devices
    downstream of the CK804 with MSI enabled would fail to actually assert
    their interrupt.  Tested on msi/ms7135 and winent/mb6047 running Debian
    GNU/Linux 7.0 (wheezy).

Change-Id: I5e0dc8b352f3d04e3b16b899af11d2b908a82850
    Signed-off-by: Jonathan A. Kollasch 
    Reviewed-on: http://review.coreboot.org/8276
    Tested-by: build bot (Jenkins)
    Reviewed-by: Timothy Pearson 
    Reviewed-by: Alexandru Gagniuc

See http://review.coreboot.org/8276 for details.

-gerrit