arm64: dts: qcom: sc8280xp: add p1 register blocks to DP nodes

Per DT bindings add p1 register blocks to all DP controllers on SC8280XP
platform.

Fixes: 6f299ae7f96d ("arm64: dts: qcom: sc8280xp: add p1 register blocks to DP nodes")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230118031718.1714861-4-dmitry.baryshkov@linaro.org