[MIPS] Routerboard 532: Support for base system

Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Florian Fainelli <florian.fainelli@telecomint.eu>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/mach-rc32434/irq.h b/include/asm-mips/mach-rc32434/irq.h
new file mode 100644
index 0000000..cb9e472
--- /dev/null
+++ b/include/asm-mips/mach-rc32434/irq.h
@@ -0,0 +1,8 @@
+#ifndef __ASM_RC32434_IRQ_H
+#define __ASM_RC32434_IRQ_H
+
+#define NR_IRQS	256
+
+#include <asm/mach-generic/irq.h>
+
+#endif  /* __ASM_RC32434_IRQ_H */