mlxsw: spectrum_flower: Add ability to match on port ranges

mlxsw: spectrum_flower: Add ability to match on port ranges

Add the ability to match on port ranges by utilizing the previously
added port range registers and the port range key element. Up to two
port range registers can be used for each filter, one for source port
and another for destination port.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/df4385a9592917e9a22ebff339e0463e4a8dfa82.1689092769.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>