code base for slim GCI control plane test infra

[gopalakrishv]

Developed a code for bring up the control plane test infra with lemmings in KNE topology to work on lemming development activities.

Created a DUT with two IXIA ports connected to the DUT and configured the interfaces, configured the route entry through gRIBI programming.

Same has been validated with the FIB program success acknowledgement.

[OpenConfigBot]

Pull Request Functional Test Report for #3590 / f4be851

Virtual Devices

Device	Test	Test Documentation	Job	Raw Log
Arista cEOS		: gRIBI static route support	9c5277ee	Log
Cisco 8000E		: gRIBI static route support	190e74d3	Log
Cisco XRd		: gRIBI static route support	fbfffeb4	Log
Juniper ncPTX		: gRIBI static route support	ba86fa17	Log
Nokia SR Linux		: gRIBI static route support	b0ebde50	Log
Openconfig Lemming		: gRIBI static route support	81d207ff	Log

Hardware Devices

Device	Test	Test Documentation	Raw Log
Arista 7808		: gRIBI static route support
Cisco 8808		: gRIBI static route support
Juniper PTX10008		: gRIBI static route support
Nokia 7250 IXR-10e		: gRIBI static route support

Help

[coveralls]

Pull Request Test Coverage Report for Build 11842876790

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 55.268%

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Totals
Change from base Build 11838402091:	0.0%
Covered Lines:	1983
Relevant Lines:	3588

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💛 - Coveralls

[dplore]

Fails on lemming kne in this PR? See Log

Also, can you add a peer team member to review?