qcacmn: Get WAPI concurrency capability from firmware

Firmware advertises service capability WAPI_CONCURRENCY_SUPPORTED
if it supports other security modes when WAPI is active. Get the
same from service capabilities to decide whether to accept a
new concurrent connection or not.

Change-Id: I718503e52be2dda8ebd440f5a68b496d846b6ffc
CRs-Fixed: 2858770

wmi/inc/wmi_unified_param.h

@@ -5101,6 +5101,7 @@ typedef enum {
 	wmi_service_all_twt,
 	wmi_service_twt_statistics,
 #endif
+	wmi_service_wapi_concurrency_supported,
 	wmi_services_max,
 } wmi_conv_service_ids;
 #define WMI_SERVICE_UNAVAILABLE 0xFFFF