drm/amd/display: Link training TPS1 workaround

drm/amd/display: Link training TPS1 workaround

[Why]
Previously implemented early_cr_pattern was link level but the whole
asic should be affected.

[How]
 - change old link flag to dc level
 - new bit in dc->work_arounds set by DM

Signed-off-by: Martin Leung <martin.leung@amd.com>
Reviewed-by: Joshua Aberback <Joshua.Aberback@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>