Patch merged into coreboot/master: d8a5017 arm64: save/restore cptr_el3 and cpacr_el1 registers

the following patch was just integrated into master:
commit d8a5017ee0d47e860148d139bc5329083ac06515
Author: Joseph Lo 
Date:   Fri Apr 17 15:31:59 2015 +0800

arm64: save/restore cptr_el3 and cpacr_el1 registers

CPTR_EL3 and CPACR_EL1 are the registers for controlling the trap level
    and access right of the FPU/SIMD instructions. Need to save/restore them
    in every power cycle to keep the settings consistent.

BRANCH=none
    BUG=none
    TEST=boot on smaug/foster, verify the cpu_on/off is ok as well

Change-Id: I96fc0e0d2620e72b6ae2ffe4d073c9328047dc01
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: 73e8cc8f25922e7bc218d24fbf4f7c67e15e3057
    Original-Change-Id: I51eed07b1bb8f6eb2715622ec5d5c3f80c3c8bdd
    Original-Signed-off-by: Joseph Lo 
    Original-Reviewed-on: https://chromium-review.googlesource.com/266073
    Original-Reviewed-by: Aaron Durbin 
    Original-Reviewed-by: Benson Leung 
    Reviewed-on: http://review.coreboot.org/9981
    Tested-by: build bot (Jenkins)
    Reviewed-by: Marc Jones

See http://review.coreboot.org/9981 for details.

-gerrit