[ARM] mmp2: add support for board IRQs

Signed-off-by: NHaojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: NEric Miao <eric.y.miao@gmail.com>

arch/arm/mach-mmp/include/mach/irqs.h

@@ -222,6 +222,10 @@
 #define IRQ_GPIO_NUM			192
 #define IRQ_GPIO(x)			(IRQ_GPIO_START + (x))
 
-#define NR_IRQS		(IRQ_GPIO_START + IRQ_GPIO_NUM)
+/* Board IRQ - 64 by default, increase if not enough */
+#define IRQ_BOARD_START			(IRQ_GPIO_START + IRQ_GPIO_NUM)
+#define IRQ_BOARD_END			(IRQ_BOARD_START + 64)
+
+#define NR_IRQS				(IRQ_BOARD_END)
 
 #endif /* __ASM_MACH_IRQS_H */