bs11_config: fix array bounds problem by using value_string

Detected by Smatch:
/home/laforge/projects/git/openbsc/openbsc/src/utils/bs11_config.c +223 linkstate_name(5) error: buffer overflow 'bs11_link_state' 3 <= 3
/home/laforge/projects/git/openbsc/openbsc/src/utils/bs11_config.c +240 mbccu_load_name(5) error: buffer overflow 'mbccu_load' 6 <= 6
/home/laforge/projects/git/openbsc/openbsc/src/utils/bs11_config.c +905 main(34) info: ignoring unreachable code.
1 file changed
tree: c0de4377c4c86d46453d4b75a61dc8ecd434dc15
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/
  5. README