qcacmn: Add new ini to enable/disable FT open feature

Add new ini item "enable_ftopen" to enable/disable
FT open feature. There is no ini currently to
disable only FT open.

Add sanity check to send 11r params in case of FT open
to fw only when enable_ftopen is enabled

Change-Id: Ifb27aea8de8c8837f8eda329e1247abfadabb628
CRs-Fixed: 2214772

wmi/inc/wmi_unified_param.h

@@ -1958,6 +1958,7 @@ struct roam_offload_scan_params {
 	bool fw_pmksa_cache;
 #endif
 	bool is_ese_assoc;
+	bool is_11r_assoc;
 	struct mobility_domain_info mdid;
 #ifdef CONFIG_MCL
 	/* THis is not available in non tlv target.