Backport a commit from 4.2 making IRQCHIP_DECLARE available outside of
drivers/irqchip and use it.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 46183
Add the required nodes for the interrupt controllers and register
them through DT when a DTB is present.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 43457