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/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index e10ddb8..a8c696b 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -553,6 +553,7 @@
 	.map_io		= lubbock_map_io,
 	.nr_irqs	= LUBBOCK_NR_IRQS,
 	.init_irq	= lubbock_init_irq,
+	.handle_irq	= pxa25x_handle_irq,
 	.timer		= &pxa_timer,
 	.init_machine	= lubbock_init,
 MACHINE_END