CLONE: saiport: add support for link training ability query #1474
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Cherry-pick PR#1434
Description
Add support for link-training ability query to suppress redundant link-training requests those are doomed to fail
Motivation and Context
link-training could either be unavailable on certain ports of a switch silicon or totally unsupported on an entire switch silicon
In order to prevent swss and syncd error out from redundant link-training requests, it's better to introduce this port attribute
Signed-off-by: Dante Su dante.su@broadcom.com
Related HLD: