Use the recently introduced IuUP support in libosmocore to send and receive
proper IuUP over RTP instead of regular RTP.
The LLSK AUDIO primitives are updated to provide required information
back and forth.
Depends: libosmocore.git Change-Id Ibe356fa7b1abaca0091e368db8478e79c09c6cb0
Related: SYS#5516
Change-Id: Ie137809e1f91dfd702853c52be97ca79e8604eab
This commit contains all the relevant project structure to build the
osmo-hnodeb binary, its doc, tests, packaging, etc.
The osmo-hnodeb binary itself is still just an empty main().
Related: SYS#5516
Change-Id: I6ae3215ae4b956689d2adc88db7c3ead5df14f37