media: dt-bindings: media: document mediatek,mt8183-vcodec-enc

MT8183's encoder is similar to MT8173's.
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Documentation/devicetree/bindings/media/mediatek-vcodec.txt

@@ -4,8 +4,9 @@ Mediatek Video Codec is the video codec hw present in Mediatek SoCs which
 supports high resolution encoding and decoding functionalities.
 
 Required properties:
-- compatible : "mediatek,mt8173-vcodec-enc" for encoder
-  "mediatek,mt8173-vcodec-dec" for decoder.
+- compatible : "mediatek,mt8173-vcodec-enc" for MT8173 encoder
+  "mediatek,mt8183-vcodec-enc" for MT8183 encoder.
+  "mediatek,mt8173-vcodec-dec" for MT8173 decoder.
 - reg : Physical base address of the video codec registers and length of
   memory mapped region.
 - interrupts : interrupt number to the cpu.