[Mellanox] Enhance Python3 support for platform API#7410

Merged

liat-grozovik merged 3 commits intosonic-net:masterfrom

stephenxs:platform-api-python3

Jun 15, 2021

Commits on Apr 22, 2021

Adjust platform api according to the SDK 4.4.3000 update
stephenxs
committed
Port xcvrd to python 3 on Mellanox platform as all the platform APIs supported python3
stephenxs
committed

Commits on Apr 23, 2021

Remove unnecessary "#/usr/bin/env python" at the beginning of platform API python files
stephenxs
committed