[fwutil] Add fwutil update all to support the automatic platform co…

…mponent fw updates (#1242)

- What I did
Add the support for the automatic platform component fw updates
- How I did it
Add fwutil auto_update interfaces
- How to verify it
Work with dell to verify the auto_update interfaces with ssd firmware update.
- Previous command output (if the output of a command-line utility has changed)
- New command output (if the output of a command-line utility has changed)
New added command outputs are available in the following HLD:
sonic-net/SONiC#648