findmissing: Update stable branches

v5.11 is the most recent upstream kernel. Add it to the stable
branch list.

BUG=None
TEST=Run robot tools

Change-Id: Iec5f0d9b6ce4dd56bd3ce0d371a47d4717a34ce5
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/2752727
Tested-by: Guenter Roeck <groeck@chromium.org>
Auto-Submit: Guenter Roeck <groeck@chromium.org>
Reviewed-by: Curtis Malainey <cujomalainey@chromium.org>
Commit-Queue: Curtis Malainey <cujomalainey@chromium.org>
1 file changed