ARM: dts: qcom-msm8960-cdp: Add RNG device tree node

Add the necessary DT node to probe the rng driver on
msm8960-cdp platform.

Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com>
Tested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>

arch/arm/boot/dts/qcom-msm8960.dtsi

@@ -119,4 +119,11 @@
 		reg = <0x500000 0x1000>;
 		qcom,controller-type = "pmic-arbiter";
 	};
+
+	rng@1a500000 {
+		compatible = "qcom,prng";
+		reg = <0x1a500000 0x200>;
+		clocks = <&gcc PRNG_CLK>;
+		clock-names = "core";
+	};
 };