dt-bindings: arm: amlogic: add support for BananaPi M2-Pro

BPI-M2-PRO is based upon the BPI-M5 using the Amlogic SM1 (S905X3) chipset.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230127142221.3718184-5-christianshewitt@gmail.com


Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>