ath79: fix "spi-gpio: convert deprecated binding"

This patch fixes the previous commit that rendered the
devices (mostly leds) useless.

Fixes: 1fa24de8c29b ("ath79: spi-gpio: convert deprecated binding")
Signed-off-by: Christian Lamparter <[email protected]>

target/linux/ath79/dts/qca9558_netgear_ex7300.dtsi

@@ -23,8 +23,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		sck-gpio = <&gpio 18 GPIO_ACTIVE_HIGH>;
-		mosi-gpio = <&gpio 15 GPIO_ACTIVE_HIGH>;
+		sck-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+		mosi-gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
 		num-chipselects = <0>;
 
 		led_gpio: led_gpio@0 {

target/linux/ath79/dts/qca9561_avm_fritz4020.dts

@@ -26,8 +26,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		sck-gpio = <&gpio 20 GPIO_ACTIVE_HIGH>;
-		mosi-gpio = <&gpio 19 GPIO_ACTIVE_HIGH>;
+		sck-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
+		mosi-gpios = <&gpio 19 GPIO_ACTIVE_HIGH>;
 		num-chipselects = <0>;
 
 		led_gpio: led_gpio@0 {

target/linux/ath79/dts/qca9561_tplink_archer-c5x.dtsi

@@ -17,8 +17,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		sck-gpio = <&gpio 18 GPIO_ACTIVE_HIGH>;
-		mosi-gpio = <&gpio 17 GPIO_ACTIVE_HIGH>;
+		sck-gpios = <&gpio 18 GPIO_ACTIVE_HIGH>;
+		mosi-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
 		cs-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
 		num-chipselects = <1>;
 

target/linux/ath79/dts/qca9563_tplink_archer-c7-v4.dts

@@ -26,8 +26,8 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		sck-gpio = <&gpio 15 GPIO_ACTIVE_HIGH>;		// 74HC595 SRCLK (Serial Clock)
-		mosi-gpio = <&gpio 14 GPIO_ACTIVE_HIGH>;	// 74HC595 SER (Serial)
+		sck-gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;	// 74HC595 SRCLK (Serial Clock)
+		mosi-gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;	// 74HC595 SER (Serial)
 		cs-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;		// 74HC595 RCLK (Register Clock)
 		num-chipselects = <1>;