arm64: dts: qcom: qcs404: add prng-ee node

RNG hardware in QCS404 features (Execution Environment) EE for
HLOS to use, add the node for prng-ee for QCS404.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/qcs404.dtsi

@@ -253,6 +253,13 @@ rpm_msg_ram: memory@60000 {
 			reg = <0x00060000 0x6000>;
 		};
 
+		rng: rng@e3000 {
+			compatible = "qcom,prng-ee";
+			reg = <0x000e3000 0x1000>;
+			clocks = <&gcc GCC_PRNG_AHB_CLK>;
+			clock-names = "core";
+		};
+
 		tlmm: pinctrl@1000000 {
 			compatible = "qcom,qcs404-pinctrl";
 			reg = <0x01000000 0x200000>,