dt-bindings: mfd: atmel,sama5d2-flexcom: Add microchip,sama7d65-flexcom

Add flexcom binding documentation for sama7d65.

Consolidated entries into one enum to match proper coding style.

Signed-off-by: Dharma Balasubiramani <dharma.b@microchip.com>
Signed-off-by: Ryan Wanner <Ryan.Wanner@microchip.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Claudiu Beznea <claudiu.beznea@tuxon.dev>
Link: https://lore.kernel.org/r/9656d46ee0255b9aba404d77d2d204376a9cb248.1736522006.git.Ryan.Wanner@microchip.com
Signed-off-by: Lee Jones <lee@kernel.org>

Author: Dharma-B

Documentation/devicetree/bindings/mfd/atmel,sama5d2-flexcom.yaml

@@ -19,12 +19,11 @@ properties:
     oneOf:
       - const: atmel,sama5d2-flexcom
       - items:
-          - const: microchip,sam9x7-flexcom
+          - enum:
+              - microchip,sam9x7-flexcom
+              - microchip,sama7d65-flexcom
+              - microchip,sama7g5-flexcom
           - const: atmel,sama5d2-flexcom
-      - items:
-          - const: microchip,sama7g5-flexcom
-          - const: atmel,sama5d2-flexcom
-
 
   reg:
     maxItems: 1