[ARM] Remove compatibility layer for ARM irqs

set_irq_chipdata -> set_irq_chip_data
get_irq_chipdata -> get_irq_chip_data
do_level_IRQ -> handle_level_irq
do_edge_IRQ -> handle_edge_irq
do_simple_IRQ -> handle_simple_irq
irqdesc -> irq_desc
irqchip -> irq_chip

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-iop33x/irq.c b/arch/arm/mach-iop33x/irq.c
index 63304b3..00b37f3 100644
--- a/arch/arm/mach-iop33x/irq.c
+++ b/arch/arm/mach-iop33x/irq.c
@@ -121,7 +121,7 @@
 
 	for (i = 0; i < NR_IRQS; i++) {
 		set_irq_chip(i, (i < 32) ? &iop33x_irqchip1 : &iop33x_irqchip2);
-		set_irq_handler(i, do_level_IRQ);
+		set_irq_handler(i, handle_level_irq);
 		set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
 	}
 }