enum class XSystemDeviceType  : uint32_t
{
    Unknown              = 0x00,
    Pc                   = 0x01,
    XboxOne              = 0x02,
    XboxOneS             = 0x03,
    XboxOneX             = 0x04,
    XboxOneXDevkit       = 0x05,
    XboxScarlettLockhart = 0x06,
    XboxScarlettAnaconda = 0x07,
    XboxScarlettDevkit   = 0x08
}

const XSystemDeviceType deviceType = XSystemGetDeviceType();

const bool deviceIsDevkit = 
    deviceType == XSystemDeviceType::XboxOneXDevkit || 
    deviceType == XSystemDeviceType::XboxScarlettDevkit;

if (deviceIsDevkit)
{
    EnableGameSpecificDevkitFeatures();
}