igb: Fix format with line continuation whitespace

The line continuation unintentionally adds whitespace so
instead use a coalesced format to remove the whitespace.

Miscellanea:

o Use a more typical style for ternaries and arguments
  for this logging message
Signed-off-by: Joe Perches <joe@perches.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/igb/igb_main.c

@@ -1850,13 +1850,12 @@ static void igb_config_tx_modes(struct igb_adapter *adapter, int queue)
 	 * configuration' in respect to these parameters.
 	 */
 
-	netdev_dbg(netdev, "Qav Tx mode: cbs %s, launchtime %s, queue %d \
-			    idleslope %d sendslope %d hiCredit %d \
-			    locredit %d\n",
-		   (ring->cbs_enable) ? "enabled" : "disabled",
-		   (ring->launchtime_enable) ? "enabled" : "disabled", queue,
-		   ring->idleslope, ring->sendslope, ring->hicredit,
-		   ring->locredit);
+	netdev_dbg(netdev, "Qav Tx mode: cbs %s, launchtime %s, queue %d idleslope %d sendslope %d hiCredit %d locredit %d\n",
+		   ring->cbs_enable ? "enabled" : "disabled",
+		   ring->launchtime_enable ? "enabled" : "disabled",
+		   queue,
+		   ring->idleslope, ring->sendslope,
+		   ring->hicredit, ring->locredit);
 }
 
 static int igb_save_txtime_params(struct igb_adapter *adapter, int queue,