Specifies the required clock inputs for each supported compatible.
Armada 370 requires a single clock phandle, and Armada XP requires
two clock phandles with clock-names "nbclk" and "fixed".

Cc: devicetree@vger.kernel.org
Signed-off-by: NEzequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: NDaniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: NJason Cooper <jason@lakedaemon.net>
Acked-by: NStephen Warren <swarren@nvidia.com>
Acked-by: NGregory CLEMENT <gregory.clement@free-electrons.com>