ARM: dts: imx: Rename RTC device tree nodes

Device tree nodes for RTC devices should be called "rtc", so fix up some
instances where that wasn't the case.
Signed-off-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx51-ts4800.dts

@@ -102,7 +102,7 @@
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
 
-	rtc: m41t00@68 {
+	rtc: rtc@68 {
 		compatible = "st,m41t00";
 		reg = <0x68>;
 	};

arch/arm/boot/dts/imx53-tx53.dtsi

@@ -241,7 +241,7 @@
 	clock-frequency = <400000>;
 	status = "okay";
 
-	rtc1: ds1339@68 {
+	rtc1: rtc@68 {
 		compatible = "dallas,ds1339";
 		reg = <0x68>;
 		pinctrl-names = "default";

arch/arm/boot/dts/imx6q-tbs2910.dts

@@ -159,7 +159,7 @@
 	pinctrl-0 = <&pinctrl_i2c3>;
 	status = "okay";
 
-	rtc: ds1307@68 {
+	rtc: rtc@68 {
 		compatible = "dallas,ds1307";
 		reg = <0x68>;
 	};

arch/arm/boot/dts/imx6qdl-tx6-mb7.dtsi

@@ -85,7 +85,7 @@
 };
 
 &i2c3 {
-	rtc: mcp7940x@6f {
+	rtc: rtc@6f {
 		compatible = "microchip,mcp7940x";
 		reg = <0x6f>;
 	};

arch/arm/boot/dts/imx6ul-tx6ul-mainboard.dts

@@ -119,7 +119,7 @@
 	/delete-node/ codec@a;
 	/delete-node/ touchscreen@48;
 
-	rtc: mcp7940x@6f {
+	rtc: rtc@6f {
 		compatible = "microchip,mcp7940x";
 		reg = <0x6f>;
 	};

arch/arm/boot/dts/imx7-colibri-aster.dtsi

@@ -103,7 +103,7 @@
 	};
 
 	/* M41T0M6 real time clock on carrier board */
-	rtc: m41t0m6@68 {
+	rtc: rtc@68 {
 		compatible = "st,m41t0";
 		reg = <0x68>;
 	};

arch/arm/boot/dts/imx7-colibri-eval-v3.dtsi

@@ -129,7 +129,7 @@
 	};
 
 	/* M41T0M6 real time clock on carrier board */
-	rtc: m41t0m6@68 {
+	rtc: rtc@68 {
 		compatible = "st,m41t0";
 		reg = <0x68>;
 	};

arch/arm/boot/dts/vf-colibri-eval-v3.dtsi

@@ -103,7 +103,7 @@
 	status = "okay";
 
 	/* M41T0M6 real time clock on carrier board */
-	rtc: m41t0m6@68 {
+	rtc: rtc@68 {
 		compatible = "st,m41t0";
 		reg = <0x68>;
 	};