arm64: dts: qcom: sm8350: Add support for PRNG EE

RNG (Random Number Generator) in SM8350 features PRNG EE (Execution
Environment), hence add devicetree support for it.
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://lore.kernel.org/r/20210401101536.1014560-1-robert.foss@linaro.orgSigned-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

arch/arm64/boot/dts/qcom/sm8350.dtsi

@@ -704,6 +704,13 @@ tx {
 			};
 		};
 
+		rng: rng@10d3000 {
+			compatible = "qcom,prng-ee";
+			reg = <0 0x010d3000 0 0x1000>;
+			clocks = <&rpmhcc RPMH_HWKM_CLK>;
+			clock-names = "core";
+		};
+
 		intc: interrupt-controller@17a00000 {
 			compatible = "arm,gic-v3";
 			#interrupt-cells = <3>;