iwlwifi: remove "\n" from module parameter description

Remove the "\n" from following module parameter description:
 - enable wifi/bluetooth co-exist
 - led mode: 0=blinking, 1=On(RF On)/Off(RF Off), (default 0)
to be consistence with the rest of iwlagn/iwlcore module parameters format.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c
index a6f9c91..db5bfcb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-led.c
+++ b/drivers/net/wireless/iwlwifi/iwl-led.c
@@ -46,7 +46,7 @@
 static int led_mode;
 module_param(led_mode, int, S_IRUGO);
 MODULE_PARM_DESC(led_mode, "led mode: 0=blinking, 1=On(RF On)/Off(RF Off), "
-			   "(default 0)\n");
+			   "(default 0)");
 
 
 static const struct {