arm64: dts: qcom: sc7180: Add interconnect paths for the video codec

Add the interconnect path configuration for the venus video codec of
the SC7180.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20200409160206.1.Icf877f5cd50ef5e56d14ee014ca196d76242cb89@changeid


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