[coreboot] Patch merged into coreboot/master: 8129279 Fix AMD Agesa leaking Kconfig

the following patch was just integrated into master:
commit 8129279b0d2fcd7935680b4d3c8ebc9b70be079c
Author: Kyösti Mälkki 
Date:   Fri Mar 16 15:15:20 2012 +0200

Fix AMD Agesa leaking Kconfig

Kconfig leaked XIP_ROM_SIZE to other platforms and also
    defined obsolete option XIP_ROM_BASE.

Alias AMD_AGESA as NORTHBRIDGE_AMD_AGESA.
    Break the circular dependency with family15 Kconfig.

Change-Id: Ic7891012220e1bef758a5a39002b66971d5206e3
    Signed-off-by: Kyösti Mälkki

Reviewed-By: Patrick Georgi  at Fri Mar 16 22:29:17 2012, giving +2
See http://review.coreboot.org/773 for details.

-gerrit