periodic/lu: Attempt to implicitly attach a subscriber instead of rejecting

When modern Smartphones receive "Not in VLR". The baseband firmware
apparently does not try to do an IMSI ATTACH but just remains un-happy
and will not connect to the network anymore.
1 file changed
tree: 20eb9ea28fa89d84f3132a339a20ad9e5d01e34e
  1. debian/
  2. hlrsync/
  3. linux-kernel/
  4. openbsc/
  5. wireshark/
  6. README