ARM: dts: at91: sama5d2: add chipid node

Add node for chipid device in order to have access to the CIDR and EXID
values.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/boot/dts/sama5d2.dtsi

@@ -1198,6 +1198,11 @@
 				clock-names = "tdes_clk";
 				status = "okay";
 			};
+
+			chipid@fc069000 {
+				compatible = "atmel,sama5d2-chipid";
+				reg = <0xfc069000 0x8>;
+			};
 		};
 	};
 };