arm64: dts: qcom: sar2130p: add display nodes

Add display controller, two DSI hosts, two DSI PHYs and a single DP
controller. Link DP to the QMP Combo PHY.

Signed-off-by: Dmitry Baryshkov <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

Author: lumag