- Why I did it
New introduced MSN2700 platform has a different platform name compared to the old one, it should be "MSN2700-A1".
- How I did it
Update the name to the new one in platform.json and platform_components.json.
- How to verify it
run platform-related sonic-mgmt test cases on the new platform.
Signed-off-by: Kebo Liu <kebol@nvidia.com>