Patch merged into coreboot/master: AMD binaryPI: Disable PCI_CFG_EXT_IO

the following patch was just integrated into master:
commit c1d72942f4b03b4d684e9b2183841d2d50ce50f0
Author: Kyösti Mälkki 
Date:   Sun Nov 20 17:31:58 2016 +0200

AMD binaryPI: Disable PCI_CFG_EXT_IO

We don't need to do explicit pci_io_read/write operations,
    as we can use MMCONF everywhere. AGESA code still enables
    extended cf8/cfc should it be needed by payload or OS.

Change-Id: Ib08028bda1b5226bb3b6b67e91f514480a9fc5ee
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: https://review.coreboot.org/17536
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/17536 for details.

-gerrit