Patch merged into coreboot/master: AGESA: Disable PCI_CFG_EXT_IO

the following patch was just integrated into master:
commit b995f436b355ec357788d3a8c11c70bf5ec437df
Author: Kyösti Mälkki 
Date:   Sun Nov 20 17:31:58 2016 +0200

AGESA: 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 required by payload or OS.

Change-Id: I278e5e26eb9a247f67927cbc67e04f081ca50f7b
    Signed-off-by: Kyösti Mälkki 
    Reviewed-on: https://review.coreboot.org/17535
    Tested-by: build bot (Jenkins)
    Reviewed-by: Aaron Durbin

See https://review.coreboot.org/17535 for details.

-gerrit