Bump to Silicon

Bump to Silicon

- Update poms
- Update test-common following odl api update
- Fix unit tests (mainly adding mandatory withKey element in data
structure)
- Remove no more relevant unit tests following "withKey()" constraint

NB: the support of ordm devices models was initially flawed by a bug in
    mdsal that has been addressed in
    https://jira.opendaylight.org/browse/MDSAL-600

JIRA: TRNSPRTPCE-345
Signed-off-by: manuedelf <emmanuelle.delfour@orange.com>
Change-Id: I8ed471178dbdc43a2af19a1cfa6cf7d419b4ad89