ar9 did not load atm driver properly

SVN-Revision: 34840

target/linux/lantiq/image/ar9.dtsi

@@ -150,7 +150,7 @@
 		};
 
 		ppe@E234000 {
-			compatible = "lantiq,ppe-ar9";
+			compatible = "lantiq,ppe-arx100";
 			interrupt-parent = <&icu0>;
 			interrupts = <96>;
 		};