drm/amd/display: Add pixel clock values to dtn logs

drm/amd/display: Add pixel clock values to dtn logs

[Why]
To make sure future changes in DAL for SMU msgs will not change the current behaviour
and to make sure clock registeres are programmed correctly based on SMU msgs
that DAL sends.

Signed-off-by: Fatemeh Darbehani <fatemeh.darbehani@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Yongqiang Sun <yongqiang.sun@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>