Define SoCs that need irq fixups before enabling the AIC irqchip.

At the moment we're only fixing irq generated by the RTC block, but other
fixups will be added later on.
Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com>
Link: https://lkml.kernel.org/r/1405016741-2407-4-git-send-email-boris.brezillon@free-electrons.comSigned-off-by: Jason Cooper <jason@lakedaemon.net>