MIPS: jz4740: DTS: Probe the jz4740-rtc driver from devicetree

Now that the jz4740-rtc driver supports devicetree, we can add a
devicetree node for it.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Maarten ter Huurne <maarten@treewalker.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>

arch/mips/boot/dts/ingenic/jz4740.dtsi

@@ -44,6 +44,17 @@ cgu: jz4740-cgu@10000000 {
 		#clock-cells = <1>;
 	};
 
+	rtc_dev: rtc@10003000 {
+		compatible = "ingenic,jz4740-rtc";
+		reg = <0x10003000 0x40>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <15>;
+
+		clocks = <&cgu JZ4740_CLK_RTC>;
+		clock-names = "rtc";
+	};
+
 	uart0: serial@10030000 {
 		compatible = "ingenic,jz4740-uart";
 		reg = <0x10030000 0x100>;