Using the new libosmovty features allow for:
* Setting different cpu-affinity masks for each thread in the process,
both at startup through .cfg file as well as changing it at runtime.
* Unified VTY interface to change the scheduling policy of the process
inherited by all osmocom processes enabling the feature.
Depends: libosmocore.git Change-Id If76a4bd2cc7b3c7adf5d84790a944d78be70e10a
Depends: osmo-gsm-masnuals.git Change-Id Icd75769ef630c3fa985fc5e2154d5521689cdd3c