Add NP4 macb SoC variant.
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>
Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>