alpha: Fixup last users of irq_chip->typename

The typename member of struct irq_chip was kept for migration purposes
and is obsolete since more than 2 years. Fix up the leftovers.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: linux-alpha@vger.kernel.org
Signed-off-by: Matt Turner <mattst88@gmail.com>
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 88978fc..2880533 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -195,7 +195,7 @@
 }
 
 static struct irq_chip titan_irq_type = {
-       .typename       = "TITAN",
+       .name	       = "TITAN",
        .startup        = titan_startup_irq,
        .shutdown       = titan_disable_irq,
        .enable         = titan_enable_irq,