Add related files to the device folder:
buffer config templates
pg lookup profile
port_config.ini
sai profile
sensor conf
plugins
Co-authored-by: Stephen Sun <stephens@mellanox.com>
* Change port index in port_config.ini to 1-based
* Add default port index to port_config.ini, change platform plugins to accept 1-based port index
* fix port index in sfp_event.py