arm64: dts: orange-pi-zero-plus2: fix sdcard detect

The sdcard detect pin on orange-pi-zero-plus2 is pulled up.
Fix cd-gpio description to enable sdcard detect.
Signed-off-by: Sergey Matyukevich <geomatsi@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

arch/arm64/boot/dts/allwinner/sun50i-h5-orangepi-zero-plus2.dts

@@ -71,7 +71,7 @@ &mmc0 {
 	pinctrl-0 = <&mmc0_pins_a>, <&mmc0_cd_pin>;
 	vmmc-supply = <&reg_vcc3v3>;
 	bus-width = <4>;
-	cd-gpios = <&pio 5 6 GPIO_ACTIVE_HIGH>;
+	cd-gpios = <&pio 5 6 GPIO_ACTIVE_LOW>;
 	status = "okay";
 };