The Transpeed 8K618-T TV box is a Chinese Android TV box, using the
Allwinner H618 SoC.

Add the board/SoC compatible string pair to the list of known boards.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231214015312.17363-3-andre.przywara@arm.comSigned-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>