dts: bindings: display: Change the property names in the overlay

Unify property names in bindings and overlay, using
hyphens (-) instead of underscores (_) as separators.

Signed-off-by: James Roy <[email protected]>

Author: rruuaanng

boards/shields/ftdi_vm800c/ftdi_vm800c.overlay

@@ -19,7 +19,7 @@
 		irq-gpios = <&arduino_header 8 GPIO_ACTIVE_LOW>;
 
 		pclk = <5>;
-		pclk_pol = <1>;
+		pclk-pol = <1>;
 		cspread = <1>;
 		swizzle = <0>;
 		vsize = <272>;

boards/shields/ssd1306/ssd1306_128x64_spi.overlay

@@ -26,7 +26,7 @@
 		segment-remap;
 		com-invdir;
 		prechargep = <0x22>;
-		data_cmd-gpios = <&arduino_header 15 0>;
+		data-cmd-gpios = <&arduino_header 15 0>;
 		/* reset-gpios = <&arduino_header 14 GPIO_ACTIVE_LOW>; */
 	};
 };

dts/bindings/display/ftdi,ft800.yaml

@@ -20,7 +20,7 @@ properties:
       typical main clock was 48MHz and this value is 5, the PCLK
       will be 9.6 MHz. Must be positive value to enable the screen
 
-  pclk_pol:
+  pclk-pol:
     type: int
     required: true
     description: |

dts/bindings/display/sinowealth,sh1106-spi.yaml

@@ -8,7 +8,7 @@ compatible: "sinowealth,sh1106"
 include: ["solomon,ssd1306fb-common.yaml", "spi-device.yaml"]
 
 properties:
-  data_cmd-gpios:
+  data-cmd-gpios:
     type: phandle-array
     required: true
     description: D/C# pin.

dts/bindings/display/solomon,ssd1306fb-spi.yaml

@@ -8,7 +8,7 @@ compatible: "solomon,ssd1306fb"
 include: ["solomon,ssd1306fb-common.yaml", "spi-device.yaml"]
 
 properties:
-  data_cmd-gpios:
+  data-cmd-gpios:
     type: phandle-array
     required: true
     description: D/C# pin.