Define additional OpenConfig extensions.
Define additional OpenConfig extensions.

  * (M) release/models/openconfig-extensions.yang
    - Added new extension definitons for indicating how data
      should be treated by telemetry systems:
      telemetry-on-change, telemetry-atomic
    - Added 'origin' extension to indicate the schema origin for a
      YANG module
    - Added 'operational' extension to distinguish derived state data
      from other operational state data
    - Added catalog-organization extension to indicate the organization
      name to be used in the module catalog
    - Added regexp-posix extension to indicate the regular expression
      format used in a module.

openconfig/public