wlan: Cache deleted station's information in case of SAP

qcacld-3.0 to prima propagation

During disconnection process, cache disconnecting STA information
so that the same information is updated to upper-layer on receiving
GET_STATION vendor command, after disconnection.

Change-Id: I2e5a0be42d81b86e6f4490de1bdf9d7e0797506d
CRs-Fixed: 2159220
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 5127abc..23e0705 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -16809,7 +16809,7 @@
  *
  * Return: None
  */
-static void
+void
 wlan_hdd_sap_get_sta_rssi(hdd_adapter_t *adapter, uint8_t staid, s8 *rssi)
 {
 	v_CONTEXT_t pVosContext =  (WLAN_HDD_GET_CTX(adapter))->pvosContext;