[ARM] cleanup struct irqaction initializers

Signed-off-by: NThomas Gleixner <tglx@linutronix.de>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-clps7500/core.c

@@ -193,7 +193,11 @@ static struct irq_chip clps7500_no_chip = {
 	.unmask	= cl7500_no_action,
 };
 
-static struct irqaction irq_isa = { no_action, 0, CPU_MASK_NONE, "isa", NULL, NULL };
+static struct irqaction irq_isa = {
+	.handler = no_action,
+	.mask = CPU_MASK_NONE,
+	.name = "isa",
+};
 
 static void __init clps7500_init_irq(void)
 {