-What I did
    Add switch ASIC vendor: Nephos
    Add Nephos platform: Ingrasys S9130-32X

- How I did it
    Add platform/nephos files
    Add platform/nephos/sonic-platform-modules-ingrasys submodule
    Add device/ingrasys/x86_64-ingrasys_s9130_32x-r0 files
    Add SONiC to support Nephos platform

- How to verify it
    To build SONiC installer image and docker images, run the following commands:
       make configure PLATFORM=nephos
       make target/sonic-nephos.bin
    Check system and network feature is worked as well

- Description for the changelog
    Add switch ASIC vendor and platform for Nephos

Signed-off-by: Sam Yang <[email protected]>

1. Fix private ip to public ip
2. Remove extra whitespace
3. Change final column title from 'port' to 'index'

Signed-off-by: Sam Yang <[email protected]>

1. Remove aboot related files
2. Rename platform name

Signed-off-by: Sam Yang <[email protected]>