ARM: dts: imx28-cfa: Replace deprecated spi-gpio properties

As stated in Documentation/devicetree/bindings/spi/spi-gpio.yaml,
'gpio-miso', 'gpio-mosi' and 'gpio-sck' are deprecated properties.

Use the recommeded 'miso-gpios', 'mosi-gpios' and 'sck-gpios' instead.
Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx28-cfa10049.dts

@@ -100,9 +100,9 @@ spi-2 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&spi2_pins_cfa10049>;
 		status = "okay";
-		gpio-sck = <&gpio2 16 0>;
-		gpio-mosi = <&gpio2 17 0>;
-		gpio-miso = <&gpio2 18 0>;
+		sck-gpios = <&gpio2 16 0>;
+		mosi-gpios = <&gpio2 17 0>;
+		miso-gpios = <&gpio2 18 0>;
 		cs-gpios = <&gpio3 5 0>;
 		num-chipselects = <1>;
 		#address-cells = <1>;
@@ -124,8 +124,8 @@ spi-3 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&spi3_pins_cfa10049>;
 		status = "okay";
-		gpio-sck = <&gpio0 24 0>;
-		gpio-mosi = <&gpio0 28 0>;
+		sck-gpios = <&gpio0 24 0>;
+		mosi-gpios = <&gpio0 28 0>;
 		cs-gpios = <&gpio0 17 0 &gpio0 26 0 &gpio0 27 0>;
 		num-chipselects = <3>;
 		#address-cells = <1>;

arch/arm/boot/dts/imx28-cfa10055.dts

@@ -19,9 +19,9 @@ spi-2 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&spi2_pins_cfa10055>;
 		status = "okay";
-		gpio-sck = <&gpio2 16 0>;
-		gpio-mosi = <&gpio2 17 0>;
-		gpio-miso = <&gpio2 18 0>;
+		sck-gpios = <&gpio2 16 0>;
+		mosi-gpios = <&gpio2 17 0>;
+		miso-gpios = <&gpio2 18 0>;
 		cs-gpios = <&gpio3 5 0>;
 		num-chipselects = <1>;
 		#address-cells = <1>;

arch/arm/boot/dts/imx28-cfa10056.dts

@@ -18,9 +18,9 @@ spi-2 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&spi2_pins_cfa10056>;
 		status = "okay";
-		gpio-sck = <&gpio2 16 0>;
-		gpio-mosi = <&gpio2 17 0>;
-		gpio-miso = <&gpio2 18 0>;
+		sck-gpios = <&gpio2 16 0>;
+		mosi-gpios = <&gpio2 17 0>;
+		miso-gpios = <&gpio2 18 0>;
 		cs-gpios = <&gpio3 5 0>;
 		num-chipselects = <1>;
 		#address-cells = <1>;