dt-bindings: pwm: at91: Add sama7d65 compatible string

Add compatible string for sama7d65. Like sama7g5, it currently binds to
"atmel,sama5d2-pwm" compatibility string for this driver, so add an
"enum" to reflect that.

Signed-off-by: Nicolas Ferre <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Uwe Kleine-König <[email protected]>

Author: noglitch

Documentation/devicetree/bindings/pwm/atmel,at91sam-pwm.yaml

@@ -23,7 +23,9 @@ properties:
               - atmel,sama5d2-pwm
               - microchip,sam9x60-pwm
       - items:
-          - const: microchip,sama7g5-pwm
+          - enum:
+              - microchip,sama7d65-pwm
+              - microchip,sama7g5-pwm
           - const: atmel,sama5d2-pwm
       - items:
           - const: microchip,sam9x7-pwm