qcacmn: Add INI option to enable FISA feature

Add INI dp_rx_fisa_enable to enable/disable FISA feature.
Disable the feature by default.

Change-Id: I0cc524956e32ab9f2b5c556d8ae2e1855e8d3513
CRs-Fixed: 2599917

wlan_cfg/wlan_cfg.c

@@ -566,6 +566,7 @@ wlan_cfg_soc_attach(struct cdp_ctrl_objmgr_psoc *psoc)
 			cfg_get(psoc, CFG_DP_RX_MON_PROTOCOL_FLOW_TAG_ENABLE);
 	wlan_cfg_ctx->mon_drop_thresh =
 		cfg_get(psoc, CFG_DP_RXDMA_MONITOR_RX_DROP_THRESHOLD);
+	wlan_cfg_ctx->is_rx_fisa_enabled = cfg_get(psoc, CFG_DP_RX_FISA_ENABLE);
 	return wlan_cfg_ctx;
 }
 
@@ -1228,6 +1229,18 @@ bool wlan_cfg_is_rx_flow_tag_enabled(struct wlan_cfg_dp_soc_ctxt *cfg)
 	return cfg->is_rx_flow_tag_enabled;
 }
 
+#ifdef WLAN_SUPPORT_RX_FISA
+bool wlan_cfg_is_rx_fisa_enabled(struct wlan_cfg_dp_soc_ctxt *cfg)
+{
+	return (bool)(cfg->is_rx_fisa_enabled);
+}
+#else
+bool wlan_cfg_is_rx_fisa_enabled(struct wlan_cfg_dp_soc_ctxt *cfg)
+{
+	return false;
+}
+#endif
+
 void
 wlan_cfg_set_rx_flow_search_table_per_pdev(struct wlan_cfg_dp_soc_ctxt *cfg,
 					   bool val)