drm/msm/dp: fix the software mvid/nvid programming

Correct the mvid/nvid values as per the divider settings
in clock driver to avoid resolution timing issues. Also,
rename the drm link module and parameters to differentiate
with dp link module and parameters.

CRs-Fixed: 2072336
Change-Id: I0879f1e6bbc06ca2f32e3a82b38bbe2451ec13e8
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>