Patch merged into coreboot/master: 8c8c377 libpayload: Add support for arm64 in libpayload

the following patch was just integrated into master:
commit 8c8c377584742755ca7a2f490e77d0cd8da36bee
Author: Furquan Shaikh 
Date:   Wed Feb 19 11:35:30 2014 -0800

libpayload: Add support for arm64 in libpayload

Basic support for arm64 is enabled in libpayload.
    Features added:
    1) mem* operations in assembly.
    2) Basic exception handling and support for testing exceptions.
    3) Caching support.

Tested with arm64-generic board compilation.

BUG=None
    BRANCH=None
    TEST=Compilation successful

Original-Change-Id: I4e86301f9c6383abc078e2b70071fb84bd6e4741
    Original-Signed-off-by: Furquan Shaikh 
    Original-Reviewed-on: https://chromium-review.googlesource.com/187067
    Original-Tested-by: Furquan Shaikh 
    Original-Reviewed-by: Aaron Durbin 
    Original-Commit-Queue: Furquan Shaikh 
    (cherry picked from commit a70d13f3d225535843ab352290eab2e1ec7a9b4b)
    Signed-off-by: Marc Jones

Change-Id: Ie3affe6a2bdd4fed3058de739d4c6aa573e5b251
    Reviewed-on: http://review.coreboot.org/8063
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer 
    Reviewed-by: Furquan Shaikh

See http://review.coreboot.org/8063 for details.

-gerrit