net: microchip: sparx5: Add IS0 VCAP keyset configuration for Sparx5

This adds the IS0 VCAP port keyset configuration for Sparx5 and also
updates the debugFS support to show the keyset configuration.

Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>