ARM: dts: sun6i: Update A31/A31s dts(i) files from Linux-v4.18-rc3

Update all A31/A31s devicetree dtsi and dtsi files from
Linux-v4.18-rc3 with below commit:
commit b240b419db5d624ce7a5a397d6f62a1a686009ec
Merge: 9c2dd8405c0c 518d2f43c358
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Thu Apr 5 21:18:09 2018 -0700

    Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/dts/sun6i-a31-app4-evb1.dts b/arch/arm/dts/sun6i-a31-app4-evb1.dts
index 2f8cfab..7f34323 100644
--- a/arch/arm/dts/sun6i-a31-app4-evb1.dts
+++ b/arch/arm/dts/sun6i-a31-app4-evb1.dts
@@ -47,7 +47,6 @@
 #include "sunxi-common-regulators.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/pinctrl/sun4i-a10.h>
 
 / {
 	model = "Allwinner A31 APP4 EVB1 Evaluation Board";
@@ -68,10 +67,8 @@
 
 &pio {
 	usb1_vbus_pin_a: usb1_vbus_pin@0 {
-		allwinner,pins = "PH27";
-		allwinner,function = "gpio_out";
-		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
-		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+		pins = "PH27";
+		function = "gpio_out";
 	};
 };