models: Added field MaxMetadataOnSsd to provider config
models: Added field MaxMetadataOnSsd to provider config

Change-Id: I1b6c26212092cad0476963864e14ab5eca510007
Signed-off-by: Shubhendu <abf833e62503b33bb0dfae62bb381d87d91f8de1@redhat.com>

skyrings/skyring-common,skyrings/skyring-common