Squashed 'dts/upstream/' content from commit aaba2d45dc2a

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diff --git a/Bindings/rtc/maxim,ds1742.txt b/Bindings/rtc/maxim,ds1742.txt
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+* Maxim (Dallas) DS1742/DS1743 Real Time Clock
+
+Required properties:
+- compatible: Should contain "maxim,ds1742".
+- reg: Physical base address of the RTC and length of memory
+  mapped region.
+
+Example:
+	rtc: rtc@10000000 {
+		compatible = "maxim,ds1742";
+		reg = <0x10000000 0x800>;
+	};