[packaging] Added workaround for openssh rpm upgrade

Signed-off-by: Pekka Lundstrom <pekka.lundstrom@jollamobile.com>
Add fake file only when upgrading

Signed-off-by: Pekka Lundstrom <pekka.lundstrom@jollamobile.com>
Merge pull request #2 from plundstr/master

[packaging] Added workaround for openssh rpm upgrade