dt-bindings: watchdog: fsl,scu-wdt: Document imx8qm

Add an entry for 'fsl,imx8qm-sc-wdt' as imx8qm also contains the SCU
watchdog block.

Signed-off-by: Thomas Richard <[email protected]>
Acked-by: Rob Herring (Arm) <[email protected]>
Acked-by: Oliver Graute <[email protected]>
Reviewed-by: Frank Li <[email protected]>
Reviewed-by: Guenter Roeck <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Guenter Roeck <[email protected]>
Signed-off-by: Wim Van Sebroeck <[email protected]>

Author: thom24

Documentation/devicetree/bindings/watchdog/fsl,scu-wdt.yaml

@@ -20,6 +20,7 @@ properties:
     items:
       - enum:
           - fsl,imx8dxl-sc-wdt
+          - fsl,imx8qm-sc-wdt
           - fsl,imx8qxp-sc-wdt
       - const: fsl,imx-sc-wdt