powerpc: Remove device_type = "rtc" properties in .dts files

We don't want to encourage the device_type usage.  It isn't used in
the code, so we can simply remove it from the dts files.
Suggested-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/boot/dts/kuroboxHD.dts

@@ -76,7 +76,6 @@ i2c@80003000 {
 			interrupt-parent = <&mpic>;
 
 			rtc@32 {
-				device_type = "rtc";
 				compatible = "ricoh,rs5c372a";
 				reg = <0x32>;
 			};

arch/powerpc/boot/dts/kuroboxHG.dts

@@ -76,7 +76,6 @@ i2c@80003000 {
 			interrupt-parent = <&mpic>;
 
 			rtc@32 {
-				device_type = "rtc";
 				compatible = "ricoh,rs5c372a";
 				reg = <0x32>;
 			};

arch/powerpc/boot/dts/lite5200.dts

@@ -130,7 +130,6 @@ timer@670 {	// General Purpose Timer
 
 		rtc@800 {	// Real time clock
 			compatible = "fsl,mpc5200-rtc";
-			device_type = "rtc";
 			reg = <0x800 0x100>;
 			interrupts = <1 5 0 1 6 0>;
 			interrupt-parent = <&mpc5200_pic>;

arch/powerpc/boot/dts/lite5200b.dts

@@ -130,7 +130,6 @@ timer@670 {	// General Purpose Timer
 
 		rtc@800 {	// Real time clock
 			compatible = "fsl,mpc5200b-rtc","fsl,mpc5200-rtc";
-			device_type = "rtc";
 			reg = <0x800 0x100>;
 			interrupts = <1 5 0 1 6 0>;
 			interrupt-parent = <&mpc5200_pic>;

arch/powerpc/boot/dts/motionpro.dts

@@ -248,7 +248,6 @@ i2c@3d40 {
 			fsl5200-clocking;
 
 			rtc@68 {
-				device_type = "rtc";
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};

arch/powerpc/boot/dts/mpc8315erdb.dts

@@ -117,7 +117,6 @@ i2c@3000 {
 			interrupt-parent = <&ipic>;
 			dfsrr;
 			rtc@68 {
-				device_type = "rtc";
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};

arch/powerpc/boot/dts/mpc8349emitx.dts

@@ -85,7 +85,6 @@ i2c@3100 {
 			dfsrr;
 
 			rtc@68 {
-				device_type = "rtc";
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 				interrupts = <18 0x8>;

arch/powerpc/boot/dts/mpc8349emitxgp.dts

@@ -83,7 +83,6 @@ i2c@3100 {
 			dfsrr;
 
 			rtc@68 {
-				device_type = "rtc";
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 				interrupts = <18 0x8>;

arch/powerpc/boot/dts/mpc8377_rdb.dts

@@ -117,7 +117,6 @@ i2c@3000 {
 			interrupt-parent = <&ipic>;
 			dfsrr;
 			rtc@68 {
-				device_type = "rtc";
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};

arch/powerpc/boot/dts/mpc8378_rdb.dts

@@ -117,7 +117,6 @@ i2c@3000 {
 			interrupt-parent = <&ipic>;
 			dfsrr;
 			rtc@68 {
-				device_type = "rtc";
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};

arch/powerpc/boot/dts/mpc8379_rdb.dts

@@ -117,7 +117,6 @@ i2c@3000 {
 			interrupt-parent = <&ipic>;
 			dfsrr;
 			rtc@68 {
-				device_type = "rtc";
 				compatible = "dallas,ds1339";
 				reg = <0x68>;
 			};

arch/powerpc/boot/dts/pcm030.dts

@@ -143,7 +143,6 @@ gpt7: timer@670 { /* General Purpose Timer in GPIO mode */
 
 		rtc@800 {	// Real time clock
 			compatible = "fsl,mpc5200b-rtc","fsl,mpc5200-rtc";
-			device_type = "rtc";
 			reg = <0x800 0x100>;
 			interrupts = <0x1 0x5 0x0 0x1 0x6 0x0>;
 			interrupt-parent = <&mpc5200_pic>;
@@ -301,7 +300,6 @@ i2c@3d40 {
 			interrupt-parent = <&mpc5200_pic>;
 			fsl5200-clocking;
 			rtc@51 {
-				device_type = "rtc";
 				compatible = "nxp,pcf8563";
 				reg = <0x51>;
 			};

arch/powerpc/boot/dts/tqm5200.dts

@@ -181,7 +181,6 @@ i2c@3d40 {
 			fsl5200-clocking;
 
 			 rtc@68 {
-				device_type = "rtc";
 				compatible = "dallas,ds1307";
 				reg = <0x68>;
 			};