Allow configuring SI13 CCN_ACTIVE bit from VTY, enable by default on osmo-bts

This is required in order to tell MS that osmo-pcu now supports
Network Assisted Cell Change (NACC).

Other BTS are not enabled by default since NACC support is not known to
work nor tested there.

Depends: libosmocore.git Change-Id I61991266b95d0c13d51b47906cc07846e9cf1390
Related: SYS#4909
Change-Id: If91d85331d402c3ab9c32b70c2c66cd7ba6ceb28
4 files changed