driver/activatable: consider the driver name to be activatable
driver/activatable: consider the driver name to be activatable

This name is obviously always active, but include it in
ListActivatableNames() and let StartServiceByName() succeed on it.

Signed-off-by: Tom Gundersen <7c8224529a7c718e876cb2496c973509fde1e50e@jklm.no>

bus1/dbus-broker