packaging: add oci support for LMDE3

LMDE3 is based on Debian Stretch. Use debian_9 repo in this case.

Change-Id: I18c1162f20eb45fad7d3cc765a756eafdf7744d3
Gitlab: #490
Reviewed-by: Sebastien Blin <sebastien.blin@savoirfairelinux.com>
1 file changed