ARM: dts: imx6ul-pico-hobbit: Fix Ethernet PHY reset GPIO

According to the imx6ul-pico-hobbit schematics the Ethernet PHY reset GPIO
is GPIO1_28, so fix it accordingly.

Also adjust the reset duration to 1ms, because the KSZ8081 datasheet
requires 500μs.
Signed-off-by: Diego Dorta <diego.dorta@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6ul-pico-hobbit.dts

@@ -151,8 +151,8 @@ &fec2 {
 	phy-mode = "rmii";
 	phy-handle = <&ethphy1>;
 	status = "okay";
-	phy-reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>;
-	phy-reset-duration = <11>;
+	phy-reset-gpios = <&gpio1 28 GPIO_ACTIVE_LOW>;
+	phy-reset-duration = <1>;
 
 	mdio {
 		#address-cells = <1>;