arm64: dts: qcom: sm8250-xiaomi-elish-boe: Add mdss and dsi panel

Add nodes for BOE NT36523 panel found in xiaomi-elish. This panel
is a dual dsi mode panel and the dsi phy type is cphy.

Signed-off-by: Jianhua Lu <lujianhua000@gmail.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230323005925.23179-2-lujianhua000@gmail.com