qcacld-3.0: Enable HI_RSSI feature

qcacld-2.0 to qcacld-3.0 propagation

Enable the HI_RSSI feature from the code
instead of WCNSS_qcom_cfg.ini.

CRs-Fixed: 822475
Change-Id: Ic48e49e7042c06b1f0b2bf09d2d7ccae2d7cd9ad

core/hdd/inc/wlan_hdd_cfg.h

@@ -2641,7 +2641,7 @@ enum dot11p_mode {
 #define CFG_ROAM_SCAN_HI_RSSI_DELTA_NAME           "gRoamScanHiRssiDelta"
 #define CFG_ROAM_SCAN_HI_RSSI_DELTA_MIN            (0)
 #define CFG_ROAM_SCAN_HI_RSSI_DELTA_MAX            (16)
-#define CFG_ROAM_SCAN_HI_RSSI_DELTA_DEFAULT        (0)
+#define CFG_ROAM_SCAN_HI_RSSI_DELTA_DEFAULT        (10)
 
 /* Delay between consecutive scans in milliseconds */
 #define CFG_ROAM_SCAN_HI_RSSI_DELAY_NAME            "gRoamScanHiRssiDelay"