probe_groups: API changes required to implement probe groups.
Use priv for consistency
probe_groups: Update Python bindings for API change.
probe_groups: initialise sdi->probe_groups to NULL.
probe_groups: Add a name field to sr_probe_group.
rigol-ds1xx2: create probe groups.
rigol-ds1xx2: implement probe group specific options.
python: Add classes for probes and probe groups.
python: Map probe group configuration to ProbeGroup attributes.
rigol-ds1xx2: Skip obsolete fields
Update API documentation
rigol-ds1xx2: Don't assume valid sdi
rigol-ds1xx2: fix bitrot in device cleanup code
probe_groups: API changes required to implement probe groups.
Merge remote-tracking branch 'origin/devel' into hameg
hameg-serial: Adjust config functions for probe groups.