arm64: dts: amlogic: meson-g12b-bananapi: switch to enable-gpios

The recommended name for enable GPIOs property in regulator-gpio is
enable-gpios.  This is also required by bindings:

  meson-g12b-bananapi-cm4-cm4io.dtb: regulator-vddio-c: Unevaluated properties are not allowed ('enable-gpio' was unexpected)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230725142703.157547-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>

arch/arm64/boot/dts/amlogic/meson-g12b-bananapi-cm4.dtsi

@@ -56,7 +56,7 @@ vddio_c: regulator-vddio-c {
 		regulator-min-microvolt = <1800000>;
 		regulator-max-microvolt = <3300000>;
 
-		enable-gpio = <&gpio_ao GPIOAO_3 GPIO_OPEN_DRAIN>;
+		enable-gpios = <&gpio_ao GPIOAO_3 GPIO_OPEN_DRAIN>;
 		enable-active-high;
 		regulator-always-on;