Update changelog for 3-1

Change-Id: Id7aeef3e8b6e6f36a7a38770dc8cd93302bb9d4c
(cherry picked from commit 54b64229655d7cd25df948b88ef456790d02d75c)
1 file changed
tree: a6ba60c82fc5b4719eceef461a9aec9724f45817
  1. debian/
  2. pinout
  3. reboot-bootloader
  4. snapshot