Staging: rtl8192u: Replace printk() with netdev_dbg()

This patch replaces the printk() function with netdev_dbg() in order to
fix the following: "WARNING: printk() should include KERN_ facility level"
and "WARNING: line over 80 characters".

Issue found by checkpatch.pl
Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c

@@ -1947,7 +1947,7 @@ void ieee80211_check_auth_response(struct ieee80211_device *ieee,
 						bSupportNmode = false;
 						bHalfSupportNmode = false;
 					}
-					printk("==========>to link with AP using SEC(%d, %d)",
+					netdev_dbg(ieee->dev, "SEC(%d, %d)\n",
 							bSupportNmode,
 							bHalfSupportNmode);
 				}
@@ -1964,7 +1964,7 @@ void ieee80211_check_auth_response(struct ieee80211_device *ieee,
 
 			if (ieee->current_network.mode == IEEE_N_24G &&
 					bHalfSupportNmode == true) {
-				printk("===============>entern half N mode\n");
+				netdev_dbg(ieee->dev, "enter half N mode\n");
 				ieee->bHalfWirelessN24GMode = true;
 			} else
 				ieee->bHalfWirelessN24GMode = false;