abis_rsl: The rach information was not used, introduce a signal

Introduce a SS_CCCH for the paging and the rach load. The paging
code could now start using the signal.

GCC warning:
abis_rsl.c: In function ‘rsl_rx_ccch_load’:
abis_rsl.c:1371:11: warning: variable ‘rach_access_count’ set but not used [-Wunused-but-set-variable]
abis_rsl.c:1370:11: warning: variable ‘rach_busy_count’ set but not used [-Wunused-but-set-variable]
abis_rsl.c:1369:11: warning: variable ‘rach_slot_count’ set but not used [-Wunused-but-set-variable]
2 files changed
tree: 43e4d3ee03dbff7b3b89050779488c5725139bdc
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/
  5. README