Changes

Summary

pcu_{sysmo,oc2g}: Inherit from pcu abstract class (details)

Commit ce82b038c7f5fb3d94281e4ebef14d9ff79a2f66 by Pau Espin Pedrol

pcu_{sysmo,oc2g}: Inherit from pcu abstract class
For some reason these classes were still not inheriting from the base 
class (probably because it was added after they existed) and they 
started failing after recent changes which presumed they where already 
inheriting.
Change-Id: I88217baf490ec45373d0743585377ed2639a8cfd

src/osmo_gsm_tester/pcu_sysmo.py

src/osmo_gsm_tester/pcu_oc2g.py