ARM: dts: versatile: specify AFS partition

This activates the AFS partition parsing on the Versatile.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/versatile-ab.dts

@@ -161,6 +161,9 @@ flash@34000000 {
 		compatible = "arm,versatile-flash", "cfi-flash";
 		reg = <0x34000000 0x04000000>;
 		bank-width = <4>;
+		partitions {
+			compatible = "arm,arm-firmware-suite";
+		};
 	};
 
 	i2c0: i2c@10002000 {