[coreboot-gerrit] Patch merged into coreboot/master: 2157ba7 arm64: Add support for read and write registers at current EL in assembly

the following patch was just integrated into master:
commit 2157ba76f2fe238cb6bcc97957ac5481df599415
Author: Furquan Shaikh 
Date:   Sun Aug 31 12:21:37 2014 -0700

arm64: Add support for read and write registers at current EL in assembly

In order to ease the process of reading and writing any register at current EL,
    provide read_current and write_current assembly macros. These are included in
    arch/lib_helpers.h under the __ASSEMBLY__ macro condition. This is done to allow
    the same header file to be included by .c and .S files.

BUG=chrome-os-partner:30785
    BRANCH=None
    TEST=Compiles successfully

Change-Id: I51749b6e4ae7b1ffbaae28d915cd100a28959f26
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: c11c7287f507fa398cbbee75abc2bd11140ef19b
    Original-Change-Id: I1258850438624abfe3b1ed7240df0db0e7905be6
    Original-Signed-off-by: Furquan Shaikh 
    Original-Reviewed-on: https://chromium-review.googlesource.com/216373
    Original-Reviewed-by: Aaron Durbin 
    Original-Reviewed-by: Tom Warren 
    Original-Tested-by: Furquan Shaikh 
    Original-Commit-Queue: Furquan Shaikh 
    Reviewed-on: http://review.coreboot.org/9062
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer

See http://review.coreboot.org/9062 for details.

-gerrit