v1.17.2

This release updates the Linux kernel from 5.4 to 5.10 to follow the Raspberry
Pi OS.

If you have a Raspberry Pi Zero 2 W, support is now available for it in
nerves_system_rpi3a.

• Updated dependencies
  • nerves_system_br v1.17.3
  • Erlang/OTP 24.1.4.
  • Linux 5.10.63 with Raspberry Pi patches