The number of RSS queues should be not more than numbers of CPU.
Its does not make sense to increase perfomance, and also cause problems on
some motherboards.

Fixes: 94f6c9e4cdf6 ("net: ethernet: aquantia: Support for NIC-specific code")
Signed-off-by: Pavel Belous <Pavel.Belous@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>