* trxcon: drop unneeded imports in trxcon_main.c
* trxcon: use 'trxcon_phyif_' prefix for the PHYIF API
* trxcon: move l1sched/phyif shim API to libtrxcon.la
* trxcon: reorganize the core logic into libtrxcon.la
* layer23: explicitly set chan_nr / link_id in L1CTL_RACH_REQ
* layer23: use $(top_builddir) instead of relative paths
* layer23: use $(top_srcdir) instead of relative paths
* layer23: cosmetic: make Makefile.am files git-friendly
* mobile/gsm48_mm.h: mark some structures as 'packed'
* mobile/gsm48_rr.c: fix NULL-pointer dereference in gsm48_rr_check_mode()
* trx_toolkit: fix: do not use 'is' / 'is not' with string and numerical literals
* trx_toolkit/data_msg.py: legacy flag is only for version 0x00
* trx_toolkit/data_msg.py: introduce header coding version 0x01
* trx_toolkit/data_msg.py: implement header version coding