ARM: pxa: enable MULTI_IRQ_HANDLER for all boards

Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index f7fb64f..ddf20e5 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -196,6 +196,7 @@
 	/* Maintainer: Vibren Technologies */
 	.map_io		= idp_map_io,
 	.init_irq	= pxa25x_init_irq,
+	.handle_irq	= pxa25x_handle_irq,
 	.timer		= &pxa_timer,
 	.init_machine	= idp_init,
 MACHINE_END