ipq40xx: Remove phy reset gpio from Cisco Meraki MR33

There is currently no code to read the phy reset gpios for the ethernet
PHY. It would also have been better to use the more common name
"phy-reset-gpios" for this property.

Signed-off-by: Sven Eckelmann <sven@narfation.org>

target/linux/ipq40xx/files-4.14/arch/arm/boot/dts/qcom-ipq4029-mr33.dts

@@ -60,7 +60,6 @@
 			status = "okay";
 			pinctrl-0 = <&mdio_pins>;
 			pinctrl-names = "default";
-			phy-reset-gpio = <&tlmm 47 GPIO_ACTIVE_HIGH>;
 			/delete-node/ ethernet-phy@0;
 			/delete-node/ ethernet-phy@2;
 			/delete-node/ ethernet-phy@3;