drm/amd/display: Disable P010 Support of DCN 1.0

[WHY]
DCN 1.0 is not ready for the P010 support.

[HOW]
1. Set the P010 plan_cap of DCN 1.0 to be false.
2. Let the DM do the plan cap initialization of DCN 1.0.

Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Figo Wang <shen-hong.wang@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>