The hardware redirection table can support more queues then the PF
currently has when SR-IOV is enabled.  In order to account for this use the
RSS mask to trim of the bits that are not used.
Signed-off-by: NAlexander Duyck <alexander.h.duyck@intel.com>
Tested-by: NAndrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>