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-a31s-yones-toptech-bs1078-v2.dts b/arch/arm/dts/sun6i-a31s-yones-toptech-bs1078-v2.dts
index d6ad619..aab6c17 100644
--- a/arch/arm/dts/sun6i-a31s-yones-toptech-bs1078-v2.dts
+++ b/arch/arm/dts/sun6i-a31s-yones-toptech-bs1078-v2.dts
@@ -45,7 +45,6 @@
 #include "sunxi-common-regulators.dtsi"
 
 #include <dt-bindings/gpio/gpio.h>
-#include <dt-bindings/pinctrl/sun4i-a10.h>
 
 / {
 	model = "Yones TopTech BS1078 v2 Tablet";
@@ -92,10 +91,9 @@
 
 &pio {
 	mmc0_cd_pin_bs1078v2: mmc0_cd_pin@0 {
-		allwinner,pins = "PA8";
-		allwinner,function = "gpio_in";
-		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
-		allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+		pins = "PA8";
+		function = "gpio_in";
+		bias-pull-up;
 	};
 };
 
@@ -104,13 +102,12 @@
 	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin_bs1078v2>;
 	vmmc-supply = <&reg_vcc3v0>;
 	bus-width = <4>;
-	cd-gpios = <&pio 0 8 GPIO_ACTIVE_HIGH>; /* PA8 */
-	cd-inverted;
+	cd-gpios = <&pio 0 8 GPIO_ACTIVE_LOW>; /* PA8 */
 	status = "okay";
 };
 
 &mmc0_pins_a {
-	allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+	bias-pull-up;
 };
 
 &p2wi {