Staging: rtl8192u: ieee80211: Use netdev_alert().

Replace printk(KERN_ALERT ...) with netdev_alert()
when a network device is available.
Signed-off-by: Sam Muhammed <jane.pnx9@gmail.com>
Link: https://lore.kernel.org/r/70e8781cd2a9512cb6b3c42400a10323f3024f3c.1585233434.git.jane.pnx9@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c

@@ -131,7 +131,7 @@ static void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p)
 	*tag++ = 0x00;
 
 	*tag_p = tag;
-	printk(KERN_ALERT "This is enable turbo mode IE process\n");
+	netdev_alert(ieee->dev, "This is enable turbo mode IE process\n");
 }
 #endif