linux-linaro: use ARM LT tree for the Aarch64 Linux boot wrapper
linux-linaro: use ARM LT tree for the Aarch64 Linux boot wrapper

Signed-off-by: Fathi Boudra <7cd6e55cc07a66bc71d7901a4cddfe6c22aab659@linaro.org>

linaro-home/meta-linaro,linaro-home/meta-linaro,xleng/meta-linaro,linaro-home/meta-linaro,linaro-home/meta-linaro,linaro-home/meta-linaro,xleng/meta-linaro,xleng/meta-linaro,linaro-home/meta-linaro,xleng/meta-linaro,xleng/meta-linaro