ixgbe: fixup remaining call sites for arbitrary TCs

One existing call sites still expect either 4 or 8 traffic
classes to be specified. This fixes this allowing arbitrary
values up to 8 to work as expected.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>