dt-bindings: arm: aspeed: document Delta AHE-50DC BMC

Document Delta AHE-50DC BMC board compatible.

Signed-off-by: Zev Weiss <[e-mail]>
Acked-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Joel Stanley <[e-mail]>

Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml

···
       - description: AST2400 based boards
         items:
           - enum:
+              - delta,ahe50dc-bmc
               - facebook,galaxy100-bmc
               - facebook,wedge100-bmc
               - facebook,wedge40-bmc