mediatek: filogic: use WPS button instead of RST on BPi-R3

The GPIO used for the RST button is also used for PCIe-CLKREQ signal.
Hence it cannot be used as button signal if PCIe is also used.
Wire up WPS button to serve as KEY_RESTART in Linux and "reset" button
in U-Boot.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

package/boot/uboot-mediatek/patches/430-add-bpi-r3.patch

@@ -866,14 +866,14 @@
 +
 +	keys {
 +		compatible = "gpio-keys";
-+
++/*
 +		factory {
 +			label = "reset";
 +			gpios = <&gpio 9 GPIO_ACTIVE_LOW>;
 +		};
-+
++*/
 +		wps {
-+			label = "wps";
++			label = "reset";
 +			gpios = <&gpio 10 GPIO_ACTIVE_LOW>;
 +		};
 +	};