qcacmn: Add messaging interface to support NAN data path

This is qcacmn portion of qcacld-2.0 to qcacld-3.0 propagation
Add commonly used definitions for NAN datapath, like QDF_NDI_MODE.

CRs-Fixed: 962367
Change-Id: I1f42c8dab17b3a300db61756c29fc02d3d3bc504

dp/inc/cdp_txrx_cmn.h

@@ -97,6 +97,7 @@ typedef struct ol_osif_vdev_t *ol_osif_vdev_handle;
  * @wlan_op_mode_sta: STA (client) mode
  * @wlan_op_mode_monitor: Monitor mode
  * @wlan_op_mode_ocb: OCB mode
+ * @wlan_op_mode_ndi: NAN datapath mode
  */
 enum wlan_op_mode {
 	wlan_op_mode_unknown,
@@ -105,6 +106,7 @@ enum wlan_op_mode {
 	wlan_op_mode_sta,
 	wlan_op_mode_monitor,
 	wlan_op_mode_ocb,
+	wlan_op_mode_ndi,
 };
 
 /**