ARM: dts: socfpga: Add atsha204a node to Mercury+ AA1 dts

Add atsha204a node to Mercury+ AA1 dts
Signed-off-by: Paweł Anikiel <pan@semihalf.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>

arch/arm/boot/dts/socfpga_arria10_mercury_aa1.dtsi

 // SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2022 Google LLC
+ */
 
 #include "socfpga_arria10.dtsi"
 
@@ -54,6 +57,11 @@ phy3: ethernet-phy@3 {
 };
 
 &i2c1 {
+	atsha204a: crypto@64 {
+		compatible = "atmel,atsha204a";
+		reg = <0x64>;
+	};
+
 	isl12022: isl12022@6f {
 		compatible = "isil,isl12022";
 		reg = <0x6f>;