qcacld-3.0: Fix typo "funtion"

Replace typo "funtion" with correct spelling "function".

Change-Id: I05db828dd5830d4b95467ed5494f319113de9252
CRs-Fixed: 2238297

core/hdd/src/wlan_hdd_driver_ops.c

@@ -578,7 +578,7 @@ static void wlan_hdd_shutdown(void)
 /**
  * wlan_hdd_crash_shutdown() - wlan_hdd_crash_shutdown
  *
- * HDD crash shutdown funtion: This function is called by
+ * HDD crash shutdown function: This function is called by
  * platform driver's crash shutdown routine
  *
  * Return: void