qcacld-3.0: Send del_self_sta_resp during VDEV detach if target not ready

Currently if the target is not ready the WMA VDEV requests are not
sent to the FW. In SAP case where the target is not ready and the
VDEV Stop request has not been sent to the FW, when VDEV detach is
done after VDEV stop, since there is no VDEV stop request previously,
bug_on is triggered.

Send del_self_sta_resp to LIM with success status if target is not
ready.

Change-Id: I2e1d469b2beb05dd8fbb7b07976c65c0c7409d99
CRs-Fixed: 2252602

core/wma/src/wma_dev_if.c

@@ -779,8 +779,8 @@ QDF_STATUS wma_vdev_detach(tp_wma_handle wma_handle,
 	struct wma_txrx_node *iface = &wma_handle->interfaces[vdev_id];
 	struct wma_target_req *req_msg;
 
-	if (!iface->handle) {
-		WMA_LOGE("handle of vdev_id %d is NULL vdev is already freed",
+	if (!iface->handle || !cds_is_target_ready()) {
+		WMA_LOGE("handle of vdev_id %d is NULL vdev is already freed or target is not ready",
 			 vdev_id);
 		goto send_rsp;
 	}