ARM: dts: sun8i: nanopi-r1: Fix GPIO regulator state array

Even though it translates to the same thing down to the binary level, we
should have an array of 2 number cells to describe each voltage state,
which in turns create a validation warning.

Let's fix this.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://lore.kernel.org/r/20210114113538.1233933-11-maxime@cerno.tech

arch/arm/boot/dts/sun8i-h3-nanopi-r1.dts

@@ -39,8 +39,8 @@ reg_vdd_cpux: gpio-regulator {
 		regulator-ramp-delay = <50>;
 		gpios = <&r_pio 0 6 GPIO_ACTIVE_HIGH>; /* PL6 */
 		gpios-states = <0x1>;
-		states = <1100000 0x0
-			  1300000 0x1>;
+		states = <1100000 0x0>,
+			 <1300000 0x1>;
 	};
 
 	wifi_pwrseq: wifi_pwrseq {