arm64: meson: g12-common: add the MIPI DSI nodes

Add the MIPI DSI Analog & Digital PHY nodes and the DSI control
nodes with proper port endpoint to the VPU.

Link: https://lore.kernel.org/r/20240403-amlogic-v6-4-upstream-dsi-ccf-vim3-v12-5-99ecdfdc87fc@linaro.org


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