move BTS-specific timezone override into sub-structure

Group all three structure members involved in bts-specific timezone
handling into a sub-structure.
3 files changed
tree: 42d7a1123ecd3c4ea54c4857575550c2f3dda24b
  1. hlrsync/
  2. linux-kernel/
  3. openbsc/
  4. wireshark/
  5. README