Let's add the type name whose encoding failed to give us some kind
of a clue what's happening in those situations.
Change-Id: I802677ba7164a4d3382d4bc00f5e1c7ab7067d89
This uses the (modified) Osmocom asn1c on the (modified) SABP ASN.1
syntax to generate C code + header files for SABP parsing/encoding.
It also adds some helper code for message encoding and decoding as well
as a new libosmo-sabp shared library which can be used by programs to
implement SABP related functionality.
Change-Id: Ib9580d1af96354398da4c9f97b28a0e23d56e275