support to tcpList in LogicalTerminationPointConfiguration shall be made as TcpObject

[IswaryaaS]

Since from version 2.1.0, an application shall expect to have only one tcp-client instance. So, we could update the

1. constructor in onf-core-model-ap/applicationPattern/onfModel/services/models/logicalTerminationPoint/ConfigurationInput
2. functions in and dependent and called upon onf-core-model-ap/applicationPattern/onfModel/services/LogicalTerminationPointServices

to have attribute tcpObject instead of tcpList.

Kindly let me know your views.

[PrathibaJee]

Included this change in the latest referred Pull request. Hence closing this issue.