* add MSN4700 device files
* update ACS-MSN4700 sai profile
* update buffer pool size, headroom, sensor conf, port config and reboot scripts
* fix ident
* update sensor conf and buffer pool
* [sn4700] add sku 4700 to chassis.py
* [Mellanox-4700] Add 4700 info to psu and thermal platform API
* update buffer config file template to the latest.
update SAI profile to use 100G X 4lanes for now
update port_config.ini according to the SAI profile
* [Mellanox]Update the buffer configurations for 4700
* fix alignment in pg_profile_lookup.ini
* add platform components file for new sku
* Update device/mellanox/x86_64-mlnx_msn4700-r0/ACS-MSN4700/pg_profile_lookup.ini
Co-Authored-By: Nazarii Hnydyn <nazariig@mellanox.com>
* remove redundant line
* [Mellanox]Correct type, buffer size
Co-authored-by: Nazarii Hnydyn <nazariig@mellanox.com>
Co-authored-by: junchao <junchao@mellanox.com>
Co-authored-by: Stephen Sun <stephens@mellanox.com>
