dt-bindings: display: renesas,lvds: Document r8a774e1 bindings

Document the RZ/G2H (R8A774E1) LVDS bindings.
Signed-off-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml

@@ -22,6 +22,7 @@ properties:
       - renesas,r8a774a1-lvds # for RZ/G2M compatible LVDS encoders
       - renesas,r8a774b1-lvds # for RZ/G2N compatible LVDS encoders
       - renesas,r8a774c0-lvds # for RZ/G2E compatible LVDS encoders
+      - renesas,r8a774e1-lvds # for RZ/G2H compatible LVDS encoders
       - renesas,r8a7790-lvds # for R-Car H2 compatible LVDS encoders
       - renesas,r8a7791-lvds # for R-Car M2-W compatible LVDS encoders
       - renesas,r8a7793-lvds # for R-Car M2-N compatible LVDS encoders