alpha: Convert to new irq function names

Scripted with coccinelle.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/alpha/kernel/irq_i8259.c b/arch/alpha/kernel/irq_i8259.c
index c7cc981..e1861c7 100644
--- a/arch/alpha/kernel/irq_i8259.c
+++ b/arch/alpha/kernel/irq_i8259.c
@@ -92,7 +92,7 @@
 	outb(0xff, 0xA1);	/* mask all of 8259A-2 */
 
 	for (i = 0; i < 16; i++) {
-		set_irq_chip_and_handler(i, &i8259a_irq_type, handle_level_irq);
+		irq_set_chip_and_handler(i, &i8259a_irq_type, handle_level_irq);
 	}
 
 	setup_irq(2, &cascade);