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/saarb.c b/arch/arm/mach-pxa/saarb.c
index 9322fe5..3b582d6 100644
--- a/arch/arm/mach-pxa/saarb.c
+++ b/arch/arm/mach-pxa/saarb.c
@@ -107,6 +107,7 @@
 	.map_io         = pxa_map_io,
 	.nr_irqs	= SAARB_NR_IRQS,
 	.init_irq       = pxa95x_init_irq,
+	.handle_irq	= pxa3xx_handle_irq,
 	.timer          = &pxa_timer,
 	.init_machine   = saarb_init,
 MACHINE_END