arm64: dts: qcom: sc7180: add nodes for idp display

Add nodes for IDP display. The display is Visionox RM69299.

Signed-off-by: Harigovindan P <harigovi@codeaurora.org>
Link: https://lore.kernel.org/r/20200629135144.8265-1-harigovi@codeaurora.org


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