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>

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -4481,7 +4481,7 @@ static void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc,
 		break;
 	case ixgbe_mac_82599EB:
 	case ixgbe_mac_X540:
-		if (num_tcs == 8) {
+		if (num_tcs > 4) {
 			if (tc < 3) {
 				*tx = tc << 5;
 				*rx = tc << 4;
@@ -4492,7 +4492,7 @@ static void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc,
 				*tx = ((tc + 8) << 3);
 				*rx = tc << 4;
 			}
-		} else if (num_tcs == 4) {
+		} else {
 			*rx =  tc << 5;
 			switch (tc) {
 			case 0: