ARM: dts: overlays: waveshare-dsi: Add AutoRec panel option

Add the AutoRec overlay parameter to select the automatic recognition
panel compatible string (waveshare,automatic-recognition-panel). This
enables runtime panel detection via I2C for Waveshare DSI displays
that support automatic identification.

Signed-off-by: Engineer_Will <646689853@qq.com>

Author: EngineerWill

arch/arm/boot/dts/overlays/vc4-kms-dsi-waveshare-panel-overlay.dts

@@ -136,6 +136,9 @@
 		7_0_inchH = <&panel>, "compatible=waveshare,7.0inch-h-panel",
 				  <&touch>, "touchscreen-swapped-x-y?",
 				  <&touch>, "touchscreen-inverted-x?";
+		AutoRec = <&panel>, "compatible=waveshare,automatic-recognition-panel",
+				  <&touch>, "touchscreen-swapped-x-y?",
+				  <&touch>, "touchscreen-inverted-x?";
 		i2c1 = <&i2c_frag>, "target:0=",<&i2c1>,
 		       <0>, "-3-4+5";
 		disable_touch = <&touch>, "status=disabled";