ARM: dts: imx6q-cm-fx6: Use the 'vpcie-supply' property

According to Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt,
the property for specifying the PCIe regulator is 'vpcie-supply', so
use the correct one.

Also fix the polarity of GPIO2_24 so that the regulator can operate
correctly.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Tested-by: Christopher Spinrath <christopher.spinrath@rwth-aachen.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6q-cm-fx6.dts

@@ -77,8 +77,7 @@ reg_pcie_power_on_gpio: regulator-pcie-power-on-gpio {
 		regulator-name = "regulator-pcie-power-on-gpio";
 		regulator-min-microvolt = <3300000>;
 		regulator-max-microvolt = <3300000>;
-		gpio = <&gpio2 24 GPIO_ACTIVE_HIGH>;
-		enable-active-high;
+		gpio = <&gpio2 24 GPIO_ACTIVE_LOW>;
 	};
 
 	reg_usb_h1_vbus: usb_h1_vbus {
@@ -362,7 +361,7 @@ &pcie {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pcie>;
 	reset-gpio = <&gpio1 26 GPIO_ACTIVE_LOW>;
-	vdd-supply = <&reg_pcie_power_on_gpio>;
+	vpcie-supply = <&reg_pcie_power_on_gpio>;
 	status = "okay";
 };