media: dt-bindings: media: mediatek: vcodec: Add encoder dt-bindings for mt8188

Add encoder dt-bindings for mt8188.
Signed-off-by: Irui Wang <irui.wang@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

Documentation/devicetree/bindings/media/mediatek,vcodec-encoder.yaml

@@ -20,6 +20,7 @@ properties:
       - mediatek,mt8173-vcodec-enc-vp8
       - mediatek,mt8173-vcodec-enc
       - mediatek,mt8183-vcodec-enc
+      - mediatek,mt8188-vcodec-enc
       - mediatek,mt8192-vcodec-enc
       - mediatek,mt8195-vcodec-enc