ARM: dts: add dt node for sss module for exynos5250/5420

This patch adds the device tree node for SSS module
found on Exynos5420 and Exynos5250
Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5250.dtsi

@@ -718,4 +718,12 @@ adc: adc@12D10000 {
 		io-channel-ranges;
 		status = "disabled";
 	};
+
+	sss@10830000 {
+		compatible = "samsung,exynos4210-secss";
+		reg = <0x10830000 0x10000>;
+		interrupts = <0 112 0>;
+		clocks = <&clock 348>;
+		clock-names = "secss";
+	};
 };

arch/arm/boot/dts/exynos5420.dtsi

@@ -723,4 +723,13 @@ watchdog@101D0000 {
 		clock-names = "watchdog";
 		samsung,syscon-phandle = <&pmu_system_controller>;
         };
+
+	sss@10830000 {
+		compatible = "samsung,exynos4210-secss";
+		reg = <0x10830000 0x10000>;
+		interrupts = <0 112 0>;
+		clocks = <&clock 471>;
+		clock-names = "secss";
+		samsung,power-domain = <&g2d_pd>;
+	};
 };