dt-bindings: net: sun8i-emac: Add A100 EMAC compatible

The Allwinner A100/A133 has an Ethernet MAC (EMAC) controller that is
compatible with the A64 one. It features the same syscon registers for
control of the top-level integration of the unit.

Signed-off-by: Paul Kocialkowski <paulk@sys-base.io>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/20250626080923.632789-4-paulk@sys-base.io
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

Author: paulkocialkowski

Documentation/devicetree/bindings/net/allwinner,sun8i-a83t-emac.yaml

@@ -21,6 +21,7 @@ properties:
       - items:
           - enum:
               - allwinner,sun20i-d1-emac
+              - allwinner,sun50i-a100-emac
               - allwinner,sun50i-h6-emac
               - allwinner,sun50i-h616-emac0
               - allwinner,sun55i-a523-emac0