vty: resurrect per-lchan BS/MS Power Control information
vty: resurrect per-lchan BS/MS Power Control information

Change-Id: I48812383ef0a125e83b9b3761f3f15873d3b37b4
Related: SYS#4918

osmocom/osmo-bts,osmocom/osmo-bts,osmocom/osmo-bts