Why I did it
System health config is missing in few Dell platforms.
How I did it
Added system health monitoring config and its related API's
How to verify it
show system-health summary/detail commands.
Why I did it
To fixsonic-net/sonic-mgmt#8786
How I did it
Modified Fan API to check whether the data retrieved is valid or not and return accordingly
How to verify it
Verify whether API 2.0 is loaded properly or not.
Execute CLI's like "show version", "show interface status", "show platform psustatus" etc..
#### Why I did it
Support API 2.0 for S5248F platform
#### How I did it
Making changes to S5248F platform specific directory
Co-authored-by: Arun LK <Arun_L_K@dell.com>