prima: extscan: Fix BSSID Hotlist lost indication

When BSSID hotlist lost indication is received by Host, same
indication is not received by HAL layer. Fix this by adding
appropriate HAL event.

Change-Id: I2f3174d883f63c85a2c0a137bda32d73c8ceff09
CRs-Fixed: 948740
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index 9d4a9cc..75d563e 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -7752,6 +7752,10 @@
         .vendor_id = QCA_NL80211_VENDOR_ID,
         .subcmd = QCA_NL80211_VENDOR_SUBCMD_MONITOR_RSSI
     },
+    [QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_HOTLIST_AP_LOST_INDEX] = {
+        .vendor_id = QCA_NL80211_VENDOR_ID,
+        .subcmd = QCA_NL80211_VENDOR_SUBCMD_EXTSCAN_HOTLIST_AP_LOST
+    },
 
 };