[sled-agent] Tracking issue for Bootstrap Agent / Sled Agent / RSS re-work

[smklein]

The intent of this issue is to track the issues necessary to align the bootstrapping process with what has been described by RFD 259.

• [ ] Bootstrap Agent
  • [ ] https://github.com/oxidecomputer/omicron/issues/820
  • [x] https://github.com/oxidecomputer/omicron/issues/821
  • [ ] https://github.com/oxidecomputer/omicron/issues/822
  • [ ] https://github.com/oxidecomputer/omicron/issues/823
  • [ ] https://github.com/oxidecomputer/omicron/issues/945
• [ ] RSS
  • [x] #1958
  • [ ] #1959
• [ ] Nexus
  • [ ] https://github.com/oxidecomputer/omicron/issues/732
  • [x] https://github.com/oxidecomputer/omicron/issues/1148
  • [x] https://github.com/oxidecomputer/omicron/issues/1149

[rcgoodfellow]

CC'ing myself so updates show up in my GH feed @rcgoodfellow