[coreboot] Patch merged into coreboot/master: 7c7d871 Get rid of AUTO_XIP_ROM_BASE

the following patch was just integrated into master:
commit 7c7d87182feb78cb2bc02fb3558bef56a41682c9
Author: Patrick Georgi 
Date:   Fri Oct 28 20:28:03 2011 +0200

Get rid of AUTO_XIP_ROM_BASE

That value is now generated from a code address and CONFIG_XIP_ROM_SIZE.
    This works as MTRRs are fully specified by their size and any address
    within the range.

Change-Id: Id35d34eaf3be37f59cd2a968e3327d333ba71a34
    Signed-off-by: Patrick Georgi

Build-Tested: build bot (Jenkins) at Fri Oct 28 20:47:52 2011, giving +1
Reviewed-By: Stefan Reinauer  at Fri Oct 28 21:58:18 2011, giving +2
See http://review.coreboot.org/348 for details.

-gerrit