dt-bindings: thermal: fsl,scu-thermal: Document imx8dl

imx8dxl also contains the SCU thermal block.

Add an entry for 'fsl,imx8dxl-sc-thermal'.

Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Amit Kucheria <amitk@kernel.org>
Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230926122957.341094-5-festevam@gmail.com

Author: Fabio Estevam

Documentation/devicetree/bindings/thermal/fsl,scu-thermal.yaml

@@ -18,7 +18,9 @@ allOf:
 properties:
   compatible:
     items:
-      - const: fsl,imx8qxp-sc-thermal
+      - enum:
+          - fsl,imx8dxl-sc-thermal
+          - fsl,imx8qxp-sc-thermal
       - const: fsl,imx-sc-thermal
 
   '#thermal-sensor-cells':