dt-bindings: crypto: add sam9x7 in Atmel AES

Add DT bindings for atmel AES.

Signed-off-by: Varshini Rajendran <varshini.rajendran@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Documentation/devicetree/bindings/crypto/atmel,at91sam9g46-aes.yaml

@@ -12,7 +12,11 @@ maintainers:
 
 properties:
   compatible:
-    const: atmel,at91sam9g46-aes
+    oneOf:
+      - const: atmel,at91sam9g46-aes
+      - items:
+          - const: microchip,sam9x7-aes
+          - const: atmel,at91sam9g46-aes
 
   reg:
     maxItems: 1