Add the necessary code to initialize the interrupt controller
thru devicetree data using the irqchip infrastructure.
Signed-off-by: NHeiko Stuebner <heiko@sntech.de>
Acked-by: NArnd Bergmann <arnd@arndb.de>
Acked-by: NRob Herring <rob.herring@calxeda.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>