Implement part of the Chassis and Fan related APIs.
- Chassis APIs
get_base_mac()
get_serial_number()
get_serial_number()
get_system_eeprom_info()
get_reboot_cause()
- Fan APIs
get_direction()
get_speed()
get_target_speed()
get_speed_tolerance()
set_speed()
set_status_led()
get_target_speed()
- Fan APIs base on Device API
get_name()
get_presence()
get_model()
get_serial()
get_status()
Signed-off-by: Wirut Getbamrung wgetbumr@celestica.com