dt-bindings: display: Add BCM2712 HVS bindings

The BCM2712 has a completely different HVS than the previous
generations, so let's add a new compatible for it.

Signed-off-by: Maxime Ripard <[e-mail]>
Acked-by: Rob Herring (Arm) <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]
Signed-off-by: Dave Stevenson <[e-mail]>

Documentation/devicetree/bindings/display/brcm,bcm2835-hvs.yaml

···
   compatible:
     enum:
       - brcm,bcm2711-hvs
+      - brcm,bcm2712-hvs
       - brcm,bcm2835-hvs
 
   reg:
···
   properties:
     compatible:
       contains:
-        const: brcm,bcm2711-hvs
+        enum:
+          - brcm,bcm2711-hvs
+          - brcm,bcm2712-hvs
 
 then:
   required: