dt-bindings: i2c: renesas,riic: Document the R9A08G046 support

Document the Renesas RZ/G3L (R9A08G046) RIIC IP. This is compatible with
the version available on Renesas RZ/V2H (R9A09G057).

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Author: bijudas

Documentation/devicetree/bindings/i2c/renesas,riic.yaml

@@ -25,6 +25,7 @@ properties:
       - items:
           - enum:
               - renesas,riic-r9a08g045   # RZ/G3S
+              - renesas,riic-r9a08g046   # RZ/G3L
               - renesas,riic-r9a09g047   # RZ/G3E
               - renesas,riic-r9a09g056   # RZ/V2N
           - const: renesas,riic-r9a09g057   # RZ/V2H(P)