alpha: Convert to new irq function names

Scripted with coccinelle.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/alpha/kernel/sys_mikasa.c b/arch/alpha/kernel/sys_mikasa.c
index cf7f43d..0e6e469 100644
--- a/arch/alpha/kernel/sys_mikasa.c
+++ b/arch/alpha/kernel/sys_mikasa.c
@@ -98,7 +98,8 @@
 	mikasa_update_irq_hw(0);
 
 	for (i = 16; i < 32; ++i) {
-		set_irq_chip_and_handler(i, &mikasa_irq_type, handle_level_irq);
+		irq_set_chip_and_handler(i, &mikasa_irq_type,
+					 handle_level_irq);
 		irq_set_status_flags(i, IRQ_LEVEL);
 	}