[Feature][R305][task-view-1916][AT] add AT+FACTORY_SELECT_SIM=xxx, used for switching SIM cards

Change-Id: I9a4965e880abb434a1d49fdf8f699f666ec793be
2 files changed
tree: 54ceee7bafe4359f6102bda5adab4ef7080518ad
  1. allbins/
  2. ap/
  3. boot/
  4. build/
  5. cp/
  6. lynq/
  7. pub/
  8. rpm/
  9. tools/
  10. file_touch.sh
  11. Makefile