In order to build up device hierachy, PSU and module thermals are no longer child of chassis. PSU thermal belongs to PSU objects and SFP thermals belong to SFP object now. Need align this change in platform.json. Move thermal objects to correct parent device
As part of Platform api testing for multiple platforms, this pull request adds a platform.json file which contains all
the static data for Mellanox-2700 platform. This file would provide all the platform specific data required for testing of all the Platform tests . As part of testing the API's the values of static/default objects within this specific platform file will be compared against the values returned by calling the Platform specific API's in a typical platform test
