profiles: Add chromeos-5_10

BUG=b:171715474
TEST=repo sync and build chromeos-5.10

Cq-Depend: chrome-internal:3400976
Change-Id: Idef8f1eda34598102007cf802400ca81bbaec4f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/2536712
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Chris McDonald <cjmcdonald@chromium.org>
Tested-by: Guenter Roeck <groeck@chromium.org>
Commit-Queue: Guenter Roeck <groeck@chromium.org>
4 files changed