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/xcep.c b/arch/arm/mach-pxa/xcep.c
index 03cfd60..acc600f 100644
--- a/arch/arm/mach-pxa/xcep.c
+++ b/arch/arm/mach-pxa/xcep.c
@@ -184,6 +184,7 @@
 	.init_machine	= xcep_init,
 	.map_io		= pxa25x_map_io,
 	.init_irq	= pxa25x_init_irq,
+	.handle_irq	= pxa25x_handle_irq,
 	.timer		= &pxa_timer,
 MACHINE_END