dt-bindings: net: airoha: Add AN7583 support

Introduce AN7583 ethernet controller support to Airoha EN7581
device-tree bindings. The main difference between EN7581 and AN7583 is
the number of reset lines required by the controller (AN7583 does not
require hsi-mac).

Signed-off-by: Lorenzo Bianconi <[e-mail]>
Reviewed-by: Conor Dooley <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Paolo Abeni <[e-mail]>

Documentation/devicetree/bindings/net/airoha,en7581-eth.yaml

···
   compatible:
     enum:
       - airoha,en7581-eth
+      - airoha,an7583-eth
 
   reg:
     items:
···
       - description: PDMA irq
 
   resets:
+    minItems: 7
     maxItems: 8
 
   reset-names:
···
       - const: xsi-mac
       - const: hsi0-mac
       - const: hsi1-mac
-      - const: hsi-mac
+      - enum: [ hsi-mac, xfp-mac ]
       - const: xfp-mac
+    minItems: 7
 
   memory-region:
     items:
···
       The Airoha Network Processor Unit (NPU) provides a configuration
       interface to implement hardware flow offloading programming Packet
       Processor Engine (PPE) flow table.
+
+allOf:
+  - $ref: ethernet-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - airoha,en7581-eth
+    then:
+      properties:
+        resets:
+          minItems: 8
+
+        reset-names:
+          minItems: 8
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - airoha,an7583-eth
+    then:
+      properties:
+        resets:
+          maxItems: 7
+
+        reset-names:
+          maxItems: 7
 
 patternProperties:
   "^ethernet@[1-4]$":