dt-bindings: serial: mediatek,uart: add MT7988

Add compatible string for serial on MT7988 SoC.

Signed-off-by: Rafał Miłecki <[email protected]>
Reviewed-by: AngeloGioacchino Del Regno <[email protected]>
Acked-by: Conor Dooley <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: Rafał Miłecki

Documentation/devicetree/bindings/serial/mediatek,uart.yaml

@@ -37,6 +37,7 @@ properties:
               - mediatek,mt7623-uart
               - mediatek,mt7629-uart
               - mediatek,mt7986-uart
+              - mediatek,mt7988-uart
               - mediatek,mt8127-uart
               - mediatek,mt8135-uart
               - mediatek,mt8173-uart