These patches are mirror of upstream TelemetryService implementation.
Until change is integrated they will be manually merged here to enable feature in Intel builds.

Current revisions:
- Add support for MetricDefinition scheme
  https://gerrit.openbmc-project.xyz/c/openbmc/bmcweb/+/33363/72

- Sync Telmetry service with EventService
  https://gerrit.openbmc-project.xyz/c/openbmc/bmcweb/+/38798/30