ipq40xx: ea6350v3: 4.19: enable pseudo rng support

Robert Marko made a big effort to enable the rng on all
ipq40xx for 4.19, so let's continue the quest.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>

target/linux/ipq40xx/files-4.19/arch/arm/boot/dts/qcom-ipq4018-ea6350v3.dts

@@ -17,6 +17,10 @@
 	};
 
 	soc {
+		rng@22000 {
+			status = "okay";
+		};
+
 		mdio@90000 {
 			status = "okay";
 		};