arm64: dts: marvell: add TRNG description for Armada 8K CP

This commits adds the devicetree description of the SafeXcel IP-76 TRNG
found in the two Armada CP110.

Signed-off-by: Romain Perier <romain.perier@free-electrons.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

arch/arm64/boot/dts/marvell/armada-cp110-master.dtsi

@@ -164,6 +164,14 @@
 				clocks = <&cpm_syscon0 1 21>;
 				status = "disabled";
 			};
+
+			cpm_trng: trng@760000 {
+				compatible = "marvell,armada-8k-rng", "inside-secure,safexcel-eip76";
+				reg = <0x760000 0x7d>;
+				interrupts = <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&cpm_syscon0 1 25>;
+				status = "okay";
+			};
 		};
 
 		cpm_pcie0: pcie@f2600000 {

arch/arm64/boot/dts/marvell/armada-cp110-slave.dtsi

@@ -164,6 +164,14 @@
 				clocks = <&cps_syscon0 1 21>;
 				status = "disabled";
 			};
+
+			cps_trng: trng@760000 {
+				compatible = "marvell,armada-8k-rng", "inside-secure,safexcel-eip76";
+				reg = <0x760000 0x7d>;
+				interrupts = <GIC_SPI 312 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&cps_syscon0 1 25>;
+				status = "okay";
+			};
 		};
 
 		cps_pcie0: pcie@f4600000 {