media: dt-bindings: media: renesas,vsp1: Document RZ/V2L VSPD bindings

Document VSPD found in RZ/V2L SoC. The VSPD block is identical to RZ/G2L
SoC and therefore use RZ/G2L fallback to avoid any driver changes.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/devicetree/bindings/media/renesas,vsp1.yaml

@@ -16,10 +16,15 @@ description:
 
 properties:
   compatible:
-    enum:
-      - renesas,r9a07g044-vsp2 # RZ/G2L
-      - renesas,vsp1 # R-Car Gen2 and RZ/G1
-      - renesas,vsp2 # R-Car Gen3 and RZ/G2
+    oneOf:
+      - enum:
+          - renesas,r9a07g044-vsp2 # RZ/G2L
+          - renesas,vsp1 # R-Car Gen2 and RZ/G1
+          - renesas,vsp2 # R-Car Gen3 and RZ/G2
+      - items:
+          - enum:
+              - renesas,r9a07g054-vsp2    # RZ/V2L
+          - const: renesas,r9a07g044-vsp2 # RZ/G2L fallback
 
   reg:
     maxItems: 1