arm64: dts: meson: add support for BananaPi M2-Pro

BPI-M2-PRO is based upon the BPI-M5 design except for a different
physical board layout and the following changes:

- USB 3.0 ports reduced from 4x to 2x
- 3.5mm Combined CVBS/Audio Jack removed
- RTL8821BU WiFi/BT module (internal USB connected)

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230127142221.3718184-6-christianshewitt@gmail.com


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