ARM: dts: omap24xx: Enable gpio and interrupt controller for GPMC

GPMC driver provides interrupts and gpio for the GPMC_WAIT pins.
Mark it as gpio and interrupt capable.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/omap2430.dtsi b/arch/arm/boot/dts/omap2430.dtsi
index 59828b0..455aaea 100644
--- a/arch/arm/boot/dts/omap2430.dtsi
+++ b/arch/arm/boot/dts/omap2430.dtsi
@@ -154,6 +154,10 @@
 			gpmc,num-cs = <8>;
 			gpmc,num-waitpins = <4>;
 			ti,hwmods = "gpmc";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			gpio-controller;
+			#gpio-cells = <2>;
 		};
 
 		mcbsp1: mcbsp@48074000 {