mac80211: add back lost debugfs files

Somehow these files were never present or lost, but the code
is there and they seem somewhat useful, so add them back.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

path: root/include/net/p8022.h

#ifndef _NET_P8022_H
#define _NET_P8022_H
struct datalink_proto *
register_8022_client(unsigned char type,
		     int (*func)(struct sk_buff *skb,
				 struct net_device *dev,
				 struct packet_type *pt,
				 struct net_device *orig_dev));
void unregister_8022_client(struct datalink_proto *proto);

struct datalink_proto *make_8023_client(void);
void destroy_8023_client(struct datalink_proto *dl);
#endif