ARM: dts: sunxi: Drop resets from r_pio nodes

None of the sunxi pin controllers have a module reset line. This is
confirmed by documentation (A80) as well as experimentation (A33).

Let's remove the inaccurate properties.

Signed-off-by: Samuel Holland <[e-mail]>
Reviewed-by: Jernej Skrabec <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Linus Walleij <[e-mail]>

arch/arm/boot/dts/sun6i-a31.dtsi

···
 				     <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&apb0_gates 0>, <&osc24M>, <&rtc 0>;
 			clock-names = "apb", "hosc", "losc";
-			resets = <&apb0_rst 0>;
 			gpio-controller;
 			interrupt-controller;
 			#interrupt-cells = <3>;

arch/arm/boot/dts/sun8i-a23-a33.dtsi

···
 			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&apb0_gates 0>, <&osc24M>, <&rtc 0>;
 			clock-names = "apb", "hosc", "losc";
-			resets = <&apb0_rst 0>;
 			gpio-controller;
 			interrupt-controller;
 			#interrupt-cells = <3>;

arch/arm/boot/dts/sun9i-a80.dtsi

···
 				     <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&apbs_gates 0>, <&osc24M>, <&osc32k>;
 			clock-names = "apb", "hosc", "losc";
-			resets = <&apbs_rst 0>;
 			gpio-controller;
 			interrupt-controller;
 			#interrupt-cells = <3>;