[Contrib] Make Postgres work when using dynamic PV

postgres was not working with dynamic PV because of lost+found folder.
We changed the mount path to make it work.

Issue-ID: OOM-1227
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: Id15fd089c56e339dbc5939cd28207b535e8ab86b
2 files changed