dt-bindings: arm: mediatek: add bpi-r4 2g5 phy variant

Add new compatible for Bananapi R4 with 2.5G phy.
Base board is compatible with existing BPI-R4 only 1 SFP is replaced
by RJ45 port and use mt7988 internal phy.

Signed-off-by: Frank Wunderlich <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: AngeloGioacchino Del Regno <[email protected]>

Author: frank-w

Documentation/devicetree/bindings/arm/mediatek.yaml

@@ -104,6 +104,10 @@ properties:
           - enum:
               - bananapi,bpi-r4
           - const: mediatek,mt7988a
+      - items:
+          - const: bananapi,bpi-r4-2g5
+          - const: bananapi,bpi-r4
+          - const: mediatek,mt7988a
       - items:
           - enum:
               - mediatek,mt8127-moose