clk: qcom: msm: update the DisplayPort clocks for SDM855

Update the clock names for parents of DisplayPort (DP) clocks for
SDM855. Update the clock frequencies of DP clocks as requested by
the DisplayPort driver in order of KHz to avoid integer
overflow issues on 32-bit builds.

Change-Id: I46be984340902f1facba59ad966e0f2ad1b1b006
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>