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/csb726.c b/arch/arm/mach-pxa/csb726.c
index 6e95e81..fe812ea 100644
--- a/arch/arm/mach-pxa/csb726.c
+++ b/arch/arm/mach-pxa/csb726.c
@@ -275,6 +275,7 @@
 	.boot_params	= 0xa0000100,
 	.map_io         = pxa27x_map_io,
 	.init_irq       = pxa27x_init_irq,
+	.handle_irq       = pxa27x_handle_irq,
 	.init_machine   = csb726_init,
 	.timer          = &pxa_timer,
 MACHINE_END