Change in osmocom-bb[master]: layer23: Let each app allocate its ms obj and start layer2 when needed

Attention is currently required from: pespin, msuraev. neels has posted comments on this change. ( https://gerrit.osmocom.org/c/osmocom-bb/+/30979 )

Change subject: layer23: Let each app allocate its ms obj and start layer2 when needed ......................................................................

Patch Set 3: Code-Review+1

(1 comment)

Patchset:

PS3: (now that the callbacks don't communicate any external state, and three of them are called so close together, it seems to make more sense to have it the other way round: each app could have its own main(), calling some common functions. looks like only the exit cb really needs to be a cb?)