mlxsw: resources: Add couple of Spectrum-2 KVD resources

These resources are needed for Spectrum-2 KVD linear management
implementation.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>