prima: RTT3: Add feature info for RTT3

Currently, feature flag for RTT3 is not added. Add feature flag
for RTT3 so that the same will be printed when get_supported_features
is invoked.

Change-Id: Iec8a209599741644b9af5de02c4ad27df5377ff9
CRs-Fixed: 949871
diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
index dc655c1..9d4a9cc 100644
--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
@@ -5543,6 +5543,11 @@
         fset |= WIFI_FEATURE_D2AP_RTT;
     }
 
+   if (sme_IsFeatureSupportedByFW(RTT3)) {
+        hddLog(LOG1, FL("RTT3 is supported by firmware"));
+        fset |= WIFI_FEATURE_RTT3;
+    }
+
 #ifdef FEATURE_WLAN_BATCH_SCAN
     if (fset & WIFI_FEATURE_EXTSCAN) {
         hddLog(LOG1, FL("Batch scan is supported as extscan is supported"));