arm64: a37xx: pci: Make PCIe Reset GPIO DT compatible with Linux kernel DT

Change active-high to active-low and change DT property name from
reset-gpio to reset-gpios. This format of gpio reset is used by
pci-aardvark driver in Linux kernel.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Reviewed-by: Konstantin Porotchkin <kostap@marvell.com>
Tested-by: Andre Heider <a.heider@gmail.com>
diff --git a/arch/arm/dts/armada-3720-espressobin.dts b/arch/arm/dts/armada-3720-espressobin.dts
index 50381e9..2ace52e 100644
--- a/arch/arm/dts/armada-3720-espressobin.dts
+++ b/arch/arm/dts/armada-3720-espressobin.dts
@@ -145,6 +145,6 @@
 &pcie0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pcie_pins>;
-	reset-gpio = <&gpiosb 3 GPIO_ACTIVE_HIGH>;
+	reset-gpios = <&gpiosb 3 GPIO_ACTIVE_LOW>;
 	status = "okay";
 };