qcacld-3.0: Fix typo "pAadapter"

Previously all instances of the identifier "pAdapter" were renamed
within the driver. However the hdd_enable_default_pkt_filters()
prototype had a misspelling and hence it was not renamed, so rename it
now.

Change-Id: I6b2045496e5e6775dc12061254d06bcadf60be88
CRs-Fixed: 2362720

core/hdd/inc/wlan_hdd_packet_filter_api.h

@@ -37,7 +37,7 @@
  *
  * Return: zero if success, non-zero otherwise
  */
-int hdd_enable_default_pkt_filters(struct hdd_adapter *pAadapter);
+int hdd_enable_default_pkt_filters(struct hdd_adapter *adapter);
 
 /**
  * hdd_disable_default_pkt_filters() - Disable default packet filters based