irqchip: sunxi: Add irq controller driver

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
CC: Thomas Gleixner <tglx@linutronix.de>
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 054321d..2444d07 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -1 +1,2 @@
 obj-$(CONFIG_ARCH_BCM2835) += irq-bcm2835.o
+obj-$(CONFIG_ARCH_SUNXI)   += irq-sunxi.o