qcacmn: DFS component target interface support

Add support to handle WMI commands and events related
to DFS component.

Change-Id: Ie21cd8cfbe35dfea31ca608d47a5dfe937d753f4
CRs-Fixed: 2017481

target_if/dfs/inc/target_if_dfs.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2017 The Linux Foundation. All rights reserved.
+ *
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+ /**
+ * DOC: target_if_dfs.h
+ * This file contains dfs target interface
+ */
+
+/**
+ * target_if_register_dfs_tx_ops() - register dfs tx ops
+ * @dfs_tx_ops: tx ops pointer
+ *
+ * Register dfs tx ops
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS target_if_register_dfs_tx_ops(struct wlan_lmac_if_tx_ops *tx_ops);