ARM: sunxi: Remove useless allwinner,drive property

The allwinner,drive property set to 10mA was really considered as our
default. Remove all those properties entirely to make that obvious.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/sun7i-a20-mk808c.dts

@@ -134,14 +134,12 @@
 	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_NO_PULL>;
 	};
 
 	usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
 		allwinner,pins = "PH5";
 		allwinner,function = "gpio_in";
-		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
 		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
 	};
 };