arm64: dts: qcom: glymur: Describe display-related nodes

arm64: dts: qcom: glymur: Describe display-related nodes

The MDSS (Mobile Display SubSystem) on Glymur provides four DisplayPort
controllers. Describe them together with the display controller and eDP
PHY. Also add the combo PHY link and vco_div clocks to the display clock
controller, and connect the PHYs and DP endpoints in the graph.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260320-dts-qcom-glymur-crd-add-edp-v7-1-ca415560447e@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>