Platforms/HiKey960: Support 4G or more memory space for RAM

Currently, Hikey960 has two different manufactured forms, one is with
3GB DDR RAM and another has 4GB DDR RAM, so this patch adds
support to dynamically adapt DDR RAM size as needed at booting
time.

[leoy: rephrased the commit log]

Cc: Haojian Zhuang haojian.zhuang@linaro.org
Cc: fengbaopeng@hisilicon.com
Signed-off-by: Li Wei liwei213@huawei.com
2 files changed