Add new mellanox SKU ACS-MSN4700 support for sonic-mgmt#1368

Merged

liat-grozovik merged 1 commit intosonic-net:masterfrom

Junchao-Mellanox:sn-4700

Feb 9, 2020

Commits on Feb 6, 2020

change fan number to 6 to reflect drawer number
Junchao-Mellanox
committed