release-19.4:Backport!3083

Merged Andrey Vertiprahov requested to merge cherry-pick-4bcc4c41 into release-19.4

Qtech.QSW8200.get_lldp_neighbors. Add ifName to port_type.

See merge request !3083 (merged)

(cherry picked from commit 4bcc4c41)

657453c6 Qtech.QSW8200.get_lldp_neighbors. Add ifName to port_type. 49077dee Fix black.

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