ARM: dts: am335x-pdu001: Fix polarity of card detection input

When a micro SD card is inserted in the PDU001 card cage, the card
detection switch is opened and the corresponding GPIO input is driven
by a pull-up. Hence change the active level of the card detection
input from low to high.
Signed-off-by: Felix Brack <fb@ltec.ch>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am335x-pdu001.dts

@@ -585,7 +585,7 @@ &mmc2 {
 	bus-width = <4>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc2_pins>;
-	cd-gpios = <&gpio2 2 GPIO_ACTIVE_LOW>;
+	cd-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
 };
 
 &sham {