* [platform/cel-dx010]: add gpio init for fan direction
* [platform/cel-dx010]: remove invalid code on fancontrol service
* [platform/cel-dx010]: modify fancontrol service permission
* [platform/cel-dx010]: install fancontrol in pmon
Update fancontrol service for Seastone-DX010/E1031 device to support hysteresis temperature threshold and difference config for each unit fan direction type (B2F/F2B); follow master branch