- Why I did it
To add new SKU for Virtual Smart Switch. T1 switch with 28x400G ports.
- How I did it
Add new SKU with all relevant files.
- How to verify it
run sonic-mgmt t1-28 test suites based on master.
Few issues observed not relevant to the topology but to the stability of master
Signed-off-by: Yakiv Huryk <yhuryk@nvidia.com>