dt-bindings: ili9881c: Add Startek KD050HDFIA020-C020A support

Document the compatible value for Startek KD050HDFIA020-C020A panels.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20240317155746.23034-2-laurent.pinchart@ideasonboard.comSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240317155746.23034-2-laurent.pinchart@ideasonboard.com

Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml

@@ -19,6 +19,7 @@ properties:
           - ampire,am8001280g
           - bananapi,lhr050h41
           - feixin,k101-im2byl02
+          - startek,kd050hdfia020
           - tdo,tl050hdv35
           - wanchanglong,w552946aba
       - const: ilitek,ili9881c