qcacld-3.0: Add new "roam_score_delta" and "roam_score_delta_bitmap" ini

Add two new WCNSS_qcom.ini values:
"roam_score_delta" - Factor by which the new roaming candidate
ap score should be greater than the score of the current
connected AP.
"roam_score_deltabitmap" - Roam triggers for which
roam_score_delta needs to be applied on the roam score of the
candidate AP.

Populate these two values to wlan_mlme_scoring_cfg from cfg
component in mlme_init_scoring_cfg. The values are sent to
firmware over the WMI TLV WMI_ROAM_AP_PROFILE in the below code
flow:
csr_update_score_params()->__lim_process_roam_scan_offload_req()
->wma_process_roaming_config()->wma_roam_scan_offload_ap_profile

Change-Id: I64f2a2328e485418547dae937c657f85225f1457
CRs-Fixed: 2367910

components/mlme/core/src/wlan_mlme_main.c

@@ -1642,6 +1642,10 @@ static void mlme_init_scoring_cfg(struct wlan_objmgr_psoc *psoc,
 	scoring_cfg->oce_wan_scoring.score_pcnt15_to_12 =
 		mlme_limit_max_per_index_score(
 			cfg_get(psoc, CFG_SCORING_OCE_WAN_SCORE_IDX_15_TO_12));
+
+	scoring_cfg->roam_trigger_bitmap =
+				cfg_get(psoc, CFG_ROAM_TRIGGER_BITMAP);
+	scoring_cfg->roam_score_delta = cfg_get(psoc, CFG_ROAM_SCORE_DELTA);
 }
 
 static void mlme_init_oce_cfg(struct wlan_objmgr_psoc *psoc,