Merge branch '2021-09-11-update-docker-container' into next
authorTom Rini <trini@konsulko.com>
Sat, 11 Sep 2021 17:18:35 +0000 (13:18 -0400)
committerTom Rini <trini@konsulko.com>
Sat, 11 Sep 2021 17:18:35 +0000 (13:18 -0400)
- Update to latest Docker container images for CI.  This includes QEMU
  6.1.0 and support for SiFive Unleashed being tested.


Trivial merge