powerpc/83xx: Add i2c eeprom to dts for MPC837x RDB

Signed-off-by: Philippe Reynes <philippe.reynes@isismpp.fr>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/boot/dts/mpc8377_rdb.dts

@@ -118,6 +118,12 @@
 			interrupts = <14 0x8>;
 			interrupt-parent = <&ipic>;
 			dfsrr;
+
+			at24@50 {
+				compatible = "at24,24c256";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1339";
 				reg = <0x68>;

arch/powerpc/boot/dts/mpc8378_rdb.dts

@@ -118,6 +118,12 @@
 			interrupts = <14 0x8>;
 			interrupt-parent = <&ipic>;
 			dfsrr;
+
+			at24@50 {
+				compatible = "at24,24c256";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1339";
 				reg = <0x68>;

arch/powerpc/boot/dts/mpc8379_rdb.dts

@@ -116,6 +116,12 @@
 			interrupts = <14 0x8>;
 			interrupt-parent = <&ipic>;
 			dfsrr;
+
+			at24@50 {
+				compatible = "at24,24c256";
+				reg = <0x50>;
+			};
+
 			rtc@68 {
 				compatible = "dallas,ds1339";
 				reg = <0x68>;