powerpc/83xx: Add lm75 to MPC837x RDB dts

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

@@ -137,6 +137,11 @@
 			interrupt-parent = <&ipic>;
 			dfsrr;
 
+			dtt@48 {
+				compatible = "national,lm75";
+				reg = <0x48>;
+			};
+
 			at24@50 {
 				compatible = "at24,24c256";
 				reg = <0x50>;

arch/powerpc/boot/dts/mpc8378_rdb.dts

@@ -137,6 +137,11 @@
 			interrupt-parent = <&ipic>;
 			dfsrr;
 
+			dtt@48 {
+				compatible = "national,lm75";
+				reg = <0x48>;
+			};
+
 			at24@50 {
 				compatible = "at24,24c256";
 				reg = <0x50>;

arch/powerpc/boot/dts/mpc8379_rdb.dts

@@ -135,6 +135,11 @@
 			interrupt-parent = <&ipic>;
 			dfsrr;
 
+			dtt@48 {
+				compatible = "national,lm75";
+				reg = <0x48>;
+			};
+
 			at24@50 {
 				compatible = "at24,24c256";
 				reg = <0x50>;