ARM: dts: exynos: Enable SSS on Trats2

Enable the Security SubSystem (SSS) on Trats2 (Exynos4412) board to
provide hardware acceleration for AES operations.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>

arch/arm/boot/dts/exynos4412-trats2.dts

@@ -1286,6 +1286,10 @@ controller-data {
 	};
 };
 
+&sss {
+	status = "okay";
+};
+
 &tmu {
 	vtmu-supply = <&ldo10_reg>;
 	status = "okay";