MIPS: Convert the irq functions to the new names

Scripted with coccinelle.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index f7e2c78..5a88cc4 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -1146,7 +1146,7 @@
 
 	setup_irq_smtc(cpu_ipi_irq, &irq_ipi, (0x100 << MIPS_CPU_IPI_IRQ));
 
-	set_irq_handler(cpu_ipi_irq, handle_percpu_irq);
+	irq_set_handler(cpu_ipi_irq, handle_percpu_irq);
 }
 
 /*