Bump ietf-yang-types, opendaylight-l2-types.

Change-Id: I9400f1e43d7e8b053c614d120bc4a764bdf1e726
Signed-off-by: Tomas Olvecky <tolvecky@cisco.com>
Signed-off-by: Robert Varga <rovarga@cisco.com>
Signed-off-by: Dana Kutenicsova <dkutenic@cisco.com>