dt-bindings: arm: amlogic: Add TCU Fernsehfee 3.0 board

Fernsehfee ("TV fairy") 3.0 is a set-top box with HDMI input and output
ports. It originally ran Android 4.4 and a Linux 3.10 kernel.

  https://fernsehfee.de/  (German)
  https://telefairy.com/  (English)

Acked-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Martin Blumenstingl <[email protected]>
Signed-off-by: J. Neuschäfer <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Neil Armstrong <[email protected]>

Author: neuschaefer

Documentation/devicetree/bindings/arm/amlogic.yaml

@@ -27,6 +27,7 @@ properties:
         items:
           - enum:
               - minix,neo-x8
+              - tcu,fernsehfee3
           - const: amlogic,meson8
 
       - description: Boards with the Amlogic Meson8m2 SoC