overlays: Fix further maxim,ds1307 references

See: #3013

Signed-off-by: Phil Elwell <[email protected]>

Author: Phil Elwell

arch/arm/boot/dts/overlays/balena-fin-overlay.dts

@@ -84,7 +84,7 @@
 
 			// rtc clock
 			ds1307: ds1307@68 {
-				compatible = "maxim,ds1307";
+				compatible = "dallas,ds1307";
 				reg = <0x68>;
 				status = "okay";
 			};

arch/arm/boot/dts/overlays/i2c-rtc-gpio-overlay.dts

@@ -46,7 +46,7 @@
 			status = "okay";
 
 			ds1307: ds1307@68 {
-				compatible = "maxim,ds1307";
+				compatible = "dallas,ds1307";
 				reg = <0x68>;
 				status = "okay";
 			};

arch/arm/boot/dts/overlays/tinylcd35-overlay.dts

@@ -155,7 +155,7 @@
 			status = "okay";
 
 			ds1307: ds1307@68 {
-				compatible = "maxim,ds1307";
+				compatible = "dallas,ds1307";
 				reg = <0x68>;
 				status = "okay";
 			};