soc/amd/stoneyridge: Add southbridge definitions

* Add definitions to iomap.h for AMD ACPI MMIO base addresses.
* Add FCH AOAC registers for enabling FCH devices.
* From: BIOS and Kernel Developer's Guide (BKDG) for AMD Family 15h,
  Models 70h-7Fh Processors Rev 3.04

BUG=b:69220826
BRANCH=master
TEST=abuild, build Gardenia, build and boot Grunt

Change-Id: I45c1d1d7edc864000282c7ca4e2b8f2a14ea9eac
Signed-off-by: Garrett Kirkendall <garrett.kirkendall@amd.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/24998
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>
Reviewed-by: Richard Spiegel <richard.spiegel@silverbackltd.com>

0 files changed, 0 insertions, 0 deletions