ARM: dts: sun7i: Update A20 dts(i) files from Linux-v4.18-rc3

Update all A10 devicetree dtsi and dtsi files from Linux-v4.18-rc3
with below commit:
commit 5d9ef839f874f4e3923c8a9ae7b136c6c3912cd5
Author: Stefan Mavrodiev <stefan@olimex.com>
Date:   Wed May 16 14:38:08 2018 +0300

    ARM: dts: sun7i: Add Olimex A20-SOM-EVB-eMMC board

Note:
- Update sun7i-a20-primo73.dts as per Linux, since
  this dts is U-Boot specific.
- Drop sun7i-a20-olimex-som-evb-emmc.dts since no board
  added for this.

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/dts/sun7i-a20-pcduino3.dts b/arch/arm/dts/sun7i-a20-pcduino3.dts
index 7f449b6..c576f10 100644
--- a/arch/arm/dts/sun7i-a20-pcduino3.dts
+++ b/arch/arm/dts/sun7i-a20-pcduino3.dts
@@ -48,7 +48,6 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
-#include <dt-bindings/pinctrl/sun4i-a10.h>
 
 / {
 	model = "LinkSprite pcDuino3";
@@ -107,10 +106,6 @@
 	status = "okay";
 };
 
-&ahci_pwr_pin_a {
-	allwinner,pins = "PH2";
-};
-
 &codec {
 	status = "okay";
 };
@@ -161,7 +156,7 @@
 
 &mmc0 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_reference_design>;
+	pinctrl-0 = <&mmc0_pins_a>;
 	vmmc-supply = <&reg_vcc3v3>;
 	bus-width = <4>;
 	cd-gpios = <&pio 7 1 GPIO_ACTIVE_LOW>; /* PH1 */
@@ -182,24 +177,19 @@
 
 &pio {
 	led_pins_pcduino3: led_pins@0 {
-		allwinner,pins = "PH15", "PH16";
-		allwinner,function = "gpio_out";
-		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
-		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+		pins = "PH15", "PH16";
+		function = "gpio_out";
 	};
 
 	key_pins_pcduino3: key_pins@0 {
-		allwinner,pins = "PH17", "PH18", "PH19";
-		allwinner,function = "gpio_in";
-		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
-		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+		pins = "PH17", "PH18", "PH19";
+		function = "gpio_in";
 	};
 
 	usb0_id_detect_pin: usb0_id_detect_pin@0 {
-		allwinner,pins = "PH4";
-		allwinner,function = "gpio_in";
-		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
-		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+		pins = "PH4";
+		function = "gpio_in";
+		bias-pull-up;
 	};
 };