dt-bindings: vendor-prefixes: add Anbernic

Anbernic designs and manufactures portable gaming systems.
https://anbernic.com/



Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220906210324.28986-2-macroalpha82@gmail.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>