Add binding for hisilicon Hi3660 SoC and HiKey960 Board.
Signed-off-by: Chen Feng <puck.chen@hisilicon.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>