qcacmn: Add an ini item for stats over QMI

Currently, stats over QMI features can only be disabled over build flags,
which is not flexible. Hence, add a CFG ini item to enable/disable stats
over QMI.

Change-Id: If5d57d2fc781fecc8817c2da8f61a2f7977d9c77
CRs-Fixed: 2752310

wmi/src/wmi_unified.c

@@ -3124,6 +3124,18 @@ bool wmi_is_target_suspended(struct wmi_unified *wmi_handle)
 	return qdf_atomic_read(&wmi_handle->is_target_suspended);
 }
 
+#ifdef WLAN_FEATURE_WMI_SEND_RECV_QMI
+void wmi_set_qmi_stats(wmi_unified_t wmi_handle, bool val)
+{
+	wmi_handle->is_qmi_stats_enabled = val;
+}
+
+bool wmi_is_qmi_stats_enabled(struct wmi_unified *wmi_handle)
+{
+	return wmi_handle->is_qmi_stats_enabled;
+}
+#endif
+
 /**
  * WMI API to set crash injection state
  * @param wmi_handle:	handle to WMI.