sonic-buildimage/device/mellanox/x86_64-mlnx_msn3800-r0/platform_components.json

{
    "chassis": {
        "x86_64-mlnx_msn3800-r0": {
            "component": {
                "ONIE": { },
                "SSD": { },
                "BIOS": { },
                "CPLD1": { },
                "CPLD2": { },
                "CPLD3": { },
                "CPLD4": { }
            }
        }
    }
}