ARM: zynq: Replace 'io-standard' with 'power-source' property

Replace 'io-standard' property with 'power-source' property in all
zynq dts files to be in sync with Zynq Pinctrl driver.
Signed-off-by: NSai Krishna Potthuri <lakshmi.sai.krishna.potthuri@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/dts/zynq-zc702.dts

@@ -213,7 +213,7 @@
 		conf {
 			groups = "can0_9_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		conf-rx {
@@ -236,7 +236,7 @@
 		conf {
 			groups = "ethernet0_0_grp";
 			slew-rate = <0>;
-			io-standard = <4>;
+			power-source = <4>;
 		};
 
 		conf-rx {
@@ -259,7 +259,7 @@
 		conf-mdio {
 			groups = "mdio0_0_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 			bias-disable;
 		};
 	};
@@ -277,7 +277,7 @@
 				 "gpio0_10_grp", "gpio0_11_grp", "gpio0_12_grp",
 				 "gpio0_13_grp", "gpio0_14_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		conf-pull-up {
@@ -301,7 +301,7 @@
 			groups = "i2c0_10_grp";
 			bias-pull-up;
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 	};
 
@@ -314,7 +314,7 @@
 		conf {
 			groups = "gpio0_50_grp", "gpio0_51_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 	};
 
@@ -327,7 +327,7 @@
 		conf {
 			groups = "sdio0_2_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 			bias-disable;
 		};
 
@@ -341,7 +341,7 @@
 			bias-high-impedance;
 			bias-pull-up;
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		mux-wp {
@@ -354,7 +354,7 @@
 			bias-high-impedance;
 			bias-pull-up;
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 	};
 
@@ -367,7 +367,7 @@
 		conf {
 			groups = "uart1_10_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		conf-rx {
@@ -390,7 +390,7 @@
 		conf {
 			groups = "usb0_0_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		conf-rx {

arch/arm/dts/zynq-zc706.dts

@@ -151,7 +151,7 @@
 		conf {
 			groups = "ethernet0_0_grp";
 			slew-rate = <0>;
-			io-standard = <4>;
+			power-source = <4>;
 		};
 
 		conf-rx {
@@ -174,7 +174,7 @@
 		conf-mdio {
 			groups = "mdio0_0_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 			bias-disable;
 		};
 	};
@@ -188,7 +188,7 @@
 		conf {
 			groups = "gpio0_7_grp", "gpio0_46_grp", "gpio0_47_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		conf-pull-up {
@@ -212,7 +212,7 @@
 			groups = "i2c0_10_grp";
 			bias-pull-up;
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 	};
 
@@ -225,7 +225,7 @@
 		conf {
 			groups = "sdio0_2_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 			bias-disable;
 		};
 
@@ -239,7 +239,7 @@
 			bias-high-impedance;
 			bias-pull-up;
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		mux-wp {
@@ -252,7 +252,7 @@
 			bias-high-impedance;
 			bias-pull-up;
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 	};
 
@@ -265,7 +265,7 @@
 		conf {
 			groups = "uart1_10_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		conf-rx {
@@ -288,7 +288,7 @@
 		conf {
 			groups = "usb0_0_grp";
 			slew-rate = <0>;
-			io-standard = <1>;
+			power-source = <1>;
 		};
 
 		conf-rx {