arm: allwinner: dts: a20: Sync A20 dts(i) files from Linux 5.1-rc2

Sync sun7i-a20 dts(i) files from Linux 5.1-rc2

Linux commit details about the sun7i-a20* sync:
"ARM: dts: sun7i: bananapi: Add GPIO banks regulators"
(sha1: 09c6572290f018d73ec2e812e28bada34d41815f)

Here are U-Boot specific dts changes.

- s/uart0_pins_a/uart0_pb_pins for
  sun7i-a20-ainol-aw1.dts
  sun7i-a20-m5.dts
  sun7i-a20-primo73.dts
  sun7i-a20-yones-toptech-bd1078.dts
  sunxi-itead-core-common.dtsi
- s/gmac_pins_mii_a/gmac_rgmii_pins for
  sun7i-a20-m5.dts
- drop i2c0, i2c1 pins from
  sunxi-itead-core-common.dtsi
- drop mmc0 pins from
  sun7i-a20-primo73.dts

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/dts/sun7i-a20-m3.dts b/arch/arm/dts/sun7i-a20-m3.dts
index e91a209..b8a1aaa 100644
--- a/arch/arm/dts/sun7i-a20-m3.dts
+++ b/arch/arm/dts/sun7i-a20-m3.dts
@@ -63,8 +63,6 @@
 
 	leds {
 		compatible = "gpio-leds";
-		pinctrl-names = "default";
-		pinctrl-0 = <&led_pins_m3>;
 
 		blue {
 			label = "m3:blue:usr";
@@ -83,7 +81,7 @@
 
 &gmac {
 	pinctrl-names = "default";
-	pinctrl-0 = <&gmac_pins_mii_a>;
+	pinctrl-0 = <&gmac_mii_pins>;
 	phy = <&phy1>;
 	phy-mode = "mii";
 	status = "okay";
@@ -94,8 +92,6 @@
 };
 
 &i2c0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&i2c0_pins_a>;
 	status = "okay";
 
 	axp209: pmic@34 {
@@ -111,13 +107,11 @@
 
 &ir0 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&ir0_rx_pins_a>;
+	pinctrl-0 = <&ir0_rx_pin>;
 	status = "okay";
 };
 
 &mmc0 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&mmc0_pins_a>;
 	vmmc-supply = <&reg_vcc3v3>;
 	bus-width = <4>;
 	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
@@ -125,8 +119,6 @@
 };
 
 &mmc2 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&mmc2_pins_a>;
 	vmmc-supply = <&reg_vcc3v3>;
 	bus-width = <4>;
 	non-removable;
@@ -141,13 +133,6 @@
 	status = "okay";
 };
 
-&pio {
-	led_pins_m3: led_pins@0 {
-		pins = "PH20";
-		function = "gpio_out";
-	};
-};
-
 &reg_usb1_vbus {
 	status = "okay";
 };
@@ -158,7 +143,7 @@
 
 &uart0 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart0_pins_a>;
+	pinctrl-0 = <&uart0_pb_pins>;
 	status = "okay";
 };