irqchip: atmel-aic5: Add sama5d4 support

Add sama5d4 support to irq-atmel-aic5.

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Link: https://lkml.kernel.org/r/1410536587-24607-2-git-send-email-alexandre.belloni@free-electrons.com


Signed-off-by: Jason Cooper <jason@lakedaemon.net>