Start swarming on skia-i-rpi-* machines.
Start swarming on skia-i-rpi-* machines.

Change-Id: I7edfd85441cef41d5c2b75bb4f75ab81778000d5
Reviewed-on: https://skia-review.googlesource.com/c/buildbot/+/599097
Commit-Queue: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>
Commit-Queue: George Wright <775e68f2e139544c4f35af4a1ec2a7b8f12c6ca6@google.com>
Auto-Submit: Joe Gregorio <b9cf2471ff6d33504cafe8e6f356b732b2cadced@google.com>
Reviewed-by: George Wright <775e68f2e139544c4f35af4a1ec2a7b8f12c6ca6@google.com>

google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot,google/skia-buildbot