dt-bindings: dma: mediatek,uart-dma: add MT8365 bindings

Add binding documentation in order to support the MT8365 SoC.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220531135026.238475-6-fparent@baylibre.comSigned-off-by: Vinod Koul <vkoul@kernel.org>

Documentation/devicetree/bindings/dma/mediatek,uart-dma.yaml

@@ -22,6 +22,7 @@ properties:
       - items:
           - enum:
               - mediatek,mt2712-uart-dma
+              - mediatek,mt8365-uart-dma
               - mediatek,mt8516-uart-dma
           - const: mediatek,mt6577-uart-dma
       - enum: