update the default LT capability upon get failures

Signed-off-by: Dante Su <[email protected]>

Author: ds952811

orchagent/portsorch.cpp

@@ -1959,7 +1959,7 @@ void PortsOrch::initPortCapLinkTraining(Port &port)
     // TODO: Use SAI_PORT_ATTR_SUPPORTED_LINK_TRAINING_MODE for the query
     //
     // While SAI_PORT_ATTR_SUPPORTED_LINK_TRAINING_MODE is available at SAI master,
-    // it's not available in SAI v1.10 paried with SONiC.202205.
+    // it's not available in SAI v1.10 paired with SONiC.202205.
     // And given that LT is part of AN, it should be okay to use
     // SAI_PORT_ATTR_SUPPORTED_AUTO_NEG_MODE as a fallback plan.
     attr.id = SAI_PORT_ATTR_SUPPORTED_AUTO_NEG_MODE;
@@ -1970,10 +1970,9 @@ void PortsOrch::initPortCapLinkTraining(Port &port)
     }
     else
     {
-        // This is a new feature, hence none of breakage should be observed by
-        // having the LT capability flagged as NOT SUPPORTED upon a get failure
-        port.m_cap_lt = 0;
-        SWSS_LOG_WARN("Unable to get %s LT capability, assumming it's NOT supported",
+        // Align with AN to have LT flagged as supported
+        port.m_cap_lt = 1;
+        SWSS_LOG_WARN("Unable to get %s LT capability, assumming it's supported",
                       port.m_alias.c_str());
     }
 }