ARM: dts: imx: Remove bootargs field

Remove bootargs field as this information is retrieved from the bootloader.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NShawn Guo <shawn.guo@linaro.org>

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

@@ -17,10 +17,6 @@
 	model = "Freescale i.MX51 Babbage Board";
 	compatible = "fsl,imx51-babbage", "fsl,imx51";
 
-	chosen {
-		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
-	};
-
 	memory {
 		reg = <0x90000000 0x20000000>;
 	};

arch/arm/boot/dts/imx53-ard.dts

@@ -17,10 +17,6 @@
 	model = "Freescale i.MX53 Automotive Reference Design Board";
 	compatible = "fsl,imx53-ard", "fsl,imx53";
 
-	chosen {
-		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
-	};
-
 	memory {
 		reg = <0x70000000 0x40000000>;
 	};

arch/arm/boot/dts/imx53-evk.dts

@@ -17,10 +17,6 @@
 	model = "Freescale i.MX53 Evaluation Kit";
 	compatible = "fsl,imx53-evk", "fsl,imx53";
 
-	chosen {
-		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
-	};
-
 	memory {
 		reg = <0x70000000 0x80000000>;
 	};

arch/arm/boot/dts/imx53-qsb.dts

@@ -17,10 +17,6 @@
 	model = "Freescale i.MX53 Quick Start Board";
 	compatible = "fsl,imx53-qsb", "fsl,imx53";
 
-	chosen {
-		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
-	};
-
 	memory {
 		reg = <0x70000000 0x40000000>;
 	};

arch/arm/boot/dts/imx53-smd.dts

@@ -17,10 +17,6 @@
 	model = "Freescale i.MX53 Smart Mobile Reference Design Board";
 	compatible = "fsl,imx53-smd", "fsl,imx53";
 
-	chosen {
-		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk0p3 rootwait";
-	};
-
 	memory {
 		reg = <0x70000000 0x40000000>;
 	};

arch/arm/boot/dts/imx6q-arm2.dts

@@ -17,10 +17,6 @@
 	model = "Freescale i.MX6 Quad Armadillo2 Board";
 	compatible = "fsl,imx6q-arm2", "fsl,imx6q";
 
-	chosen {
-		bootargs = "console=ttymxc0,115200 root=/dev/mmcblk3p3 rootwait";
-	};
-
 	memory {
 		reg = <0x10000000 0x80000000>;
 	};