Patch merged into coreboot/master: c1f7cbe arm: lpae: Set XN and PXN bits for noncacheable regions

the following patch was just integrated into master:
commit c1f7cbe49f0023655f6f60b1d924ed5c61533806
Author: Jimmy Zhang 
Date:   Fri Jun 6 17:00:10 2014 -0700

arm: lpae: Set XN and PXN bits for noncacheable regions

Add XN/PXN bits to prevent cpu from fetching speculative instructions
    on noncacheable region.

BUG=chrome-os-partner:28568
    BRANCH=nyan
    TEST=Build and run reboot tests on nyan_big

Signed-off-by: Jimmy Zhang

Original-Change-Id: I0cd2ad5a47a467ef609d30d42cd300b5ca45b77b
    Original-Reviewed-on: https://chromium-review.googlesource.com/203447
    Original-Tested-by: Jimmy Zhang 
    Original-Reviewed-by: Julius Werner 
    Original-Reviewed-by: Vadim Bendebury 
    Original-Commit-Queue: Jimmy Zhang 
    Original-Reviewed-by: David Hendricks 
    (cherry picked from commit c3d585bdfcbe9330e5c6f51d1fcf45aec9f26755)
    Signed-off-by: Marc Jones

Change-Id: Icf552e2f1ba20255915b24b4f96a179a2e7d08fe
    Reviewed-on: http://review.coreboot.org/8043
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/8043 for details.

-gerrit