Align SFP key names with new standard defined in https://github.com/Azure/sonic-platform-common/pull/97
- hardwarerev -> hardware_rev
- serialnum -> serial
- manufacturename -> manufacturer
- modelname -> model
- Connector -> connector
* Update driver and Add new platform API implementation for Inventec D6356
* Update Platform API (SFP)
* Update Platform API (QSFP)
* Update Platform API (FAN, THERMAL)
Signed-off-by: David Xiao <xiao.david@inventec.com>