arm64: dts: msm8996: add prng-ee node

RNG hardware in 8996 features (Execution Environment) EE for
HLOS to use, add the node for prng-ee for msm8996.
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -370,6 +370,13 @@ rpm_msg_ram: memory@68000 {
 			reg = <0x68000 0x6000>;
 		};
 
+		rng: rng@83000 {
+			compatible = "qcom,prng-ee";
+			reg = <0x00083000 0x1000>;
+			clocks = <&gcc GCC_PRNG_AHB_CLK>;
+			clock-names = "core";
+		};
+
 		tcsr_mutex_regs: syscon@740000 {
 			compatible = "syscon";
 			reg = <0x740000 0x20000>;