ARM: RealView: convert to CONFIG_MULTI_IRQ_HANDLER

Convert the RealView platforms to be using the gic_handle_irq
function as their primary interrupt handler.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 026c66a..10ef2e7 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -469,6 +469,7 @@
 	.init_early	= realview_init_early,
 	.init_irq	= gic_init_irq,
 	.timer		= &realview_eb_timer,
+	.handle_irq	= gic_handle_irq,
 	.init_machine	= realview_eb_init,
 #ifdef CONFIG_ZONE_DMA
 	.dma_zone_size	= SZ_256M,