[Mellanox] support thermal sensor which has discrete index #21425
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Why I did it
Most of the thermal sensor has continues index, for example: module1_temp_input, module2_temp_input. However, there could be some thermal sensors whose index is discrete. For example, some platform only contains thermal sensor for sodimm2_temp_input, but there is no such sensor for sodimm1_temp_input.
This PR is to support thermal sensor which has discrete index.
Work item tracking
How I did it
Allow sensor with discrete index, create thermal object for it
How to verify it
manual test
unit test
Which release branch to backport (provide reason below if selected)
Tested branch (Please provide the tested image version)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)