arm64: dts: qcom: sdm845: describe connections of USB/DP port

Describe links between the first USB3 host and the DisplayPort that is
routed to the same pins.

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240614-yoga-ec-driver-v7-5-9f0b9b40ae76@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>