arm: boot: dts: am33xx/omap3: fix intc compatible flag

that way, our intc driver can figure out how
many IRQ lines INTC has.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi
index 3a0a161..2fbafb8 100644
--- a/arch/arm/boot/dts/am33xx.dtsi
+++ b/arch/arm/boot/dts/am33xx.dtsi
@@ -133,7 +133,7 @@
 		};
 
 		intc: interrupt-controller@48200000 {
-			compatible = "ti,omap2-intc";
+			compatible = "ti,am33xx-intc";
 			interrupt-controller;
 			#interrupt-cells = <1>;
 			ti,intc-size = <128>;