[MIPS] Implement clockevents for R4000-style cp0 count/compare interrupt

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/mach-ip27/irq.h b/include/asm-mips/mach-ip27/irq.h
index 25f0c3f..cf4384b 100644
--- a/include/asm-mips/mach-ip27/irq.h
+++ b/include/asm-mips/mach-ip27/irq.h
@@ -17,4 +17,6 @@
  */
 #define NR_IRQS 256
 
+#include_next <irq.h>
+
 #endif /* __ASM_MACH_IP27_IRQ_H */