drm/amd/display: hdcp not enabled on connector 0

[Why]
incorrect skip when drm_connector.index = 0 within
event_property_validate and update

[How] handle hdcp validate and update for connector 0
Tested-by: Daniel Wheeler <Daniel.Wheeler@amd.com>
Reviewed-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: hersen wu <hersenxs.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_hdcp.c

@@ -314,9 +314,6 @@ static void event_property_update(struct work_struct *work)
 		if (!aconnector)
 			continue;
 
-		if (!aconnector->base.index)
-			continue;
-
 		connector = &aconnector->base;
 
 		/* check if display connected */
@@ -390,13 +387,9 @@ static void event_property_validate(struct work_struct *work)
 	     conn_index++) {
 		aconnector = hdcp_work->aconnector[conn_index];
 
-
 		if (!aconnector)
 			continue;
 
-		if (!aconnector->base.index)
-			continue;
-
 		/* check if display connected */
 		if (aconnector->base.status != connector_status_connected)
 			continue;