include/linux/cycx_x25.h: Remove unused header

The header file include/linux/cycx_x25.h does not seem to be used
anywhere. It was orphaned by 6fcdf4fa "wanrouter: delete now
orphaned header content, files/drivers". Remove it.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/linux/cycx_x25.h

-#ifndef	_CYCX_X25_H
-#define	_CYCX_X25_H
-/*
-* cycx_x25.h	Cyclom X.25 firmware API definitions.
-*
-* Author:	Arnaldo Carvalho de Melo <acme@conectiva.com.br>
-*
-* Copyright:	(c) 1998-2003 Arnaldo Carvalho de Melo
-*
-* Based on sdla_x25.h by Gene Kozin <74604.152@compuserve.com>
-*
-*		This program is free software; you can redistribute it and/or
-*		modify it under the terms of the GNU General Public License
-*		as published by the Free Software Foundation; either version
-*		2 of the License, or (at your option) any later version.
-* ============================================================================
-* 2000/04/02	acme		dprintk and cycx_debug
-* 1999/01/03	acme		judicious use of data types
-* 1999/01/02	acme		#define X25_ACK_N3	0x4411
-* 1998/12/28	acme		cleanup: lot'o'things removed
-*					 commands listed,
-*					 TX25Cmd & TX25Config structs
-*					 typedef'ed
-*/
-#ifndef PACKED
-#define PACKED __attribute__((packed))
-#endif 
-
-/* X.25 shared memory layout. */
-#define	X25_MBOX_OFFS	0x300	/* general mailbox block */
-#define	X25_RXMBOX_OFFS	0x340	/* receive mailbox */
-
-/* Debug */
-#define dprintk(level, format, a...) if (cycx_debug >= level) printk(format, ##a)
-
-extern unsigned int cycx_debug;
-
-/* Data Structures */
-/* X.25 Command Block. */
-struct cycx_x25_cmd {
-	u16 command;
-	u16 link;	/* values: 0 or 1 */
-	u16 len;	/* values: 0 thru 0x205 (517) */
-	u32 buf;
-} PACKED;
-
-/* Defines for the 'command' field. */
-#define X25_CONNECT_REQUEST             0x4401
-#define X25_CONNECT_RESPONSE            0x4402
-#define X25_DISCONNECT_REQUEST          0x4403
-#define X25_DISCONNECT_RESPONSE         0x4404
-#define X25_DATA_REQUEST                0x4405
-#define X25_ACK_TO_VC			0x4406
-#define X25_INTERRUPT_RESPONSE          0x4407
-#define X25_CONFIG                      0x4408
-#define X25_CONNECT_INDICATION          0x4409
-#define X25_CONNECT_CONFIRM             0x440A
-#define X25_DISCONNECT_INDICATION       0x440B
-#define X25_DISCONNECT_CONFIRM          0x440C
-#define X25_DATA_INDICATION             0x440E
-#define X25_INTERRUPT_INDICATION        0x440F
-#define X25_ACK_FROM_VC			0x4410
-#define X25_ACK_N3			0x4411
-#define X25_CONNECT_COLLISION           0x4413
-#define X25_N3WIN                       0x4414
-#define X25_LINE_ON                     0x4415
-#define X25_LINE_OFF                    0x4416
-#define X25_RESET_REQUEST               0x4417
-#define X25_LOG                         0x4500
-#define X25_STATISTIC                   0x4600
-#define X25_TRACE                       0x4700
-#define X25_N2TRACEXC                   0x4702
-#define X25_N3TRACEXC                   0x4703
-
-/**
- *	struct cycx_x25_config - cyclom2x x25 firmware configuration
- *	@link - link number
- *	@speed - line speed
- *	@clock - internal/external
- *	@n2 - # of level 2 retransm.(values: 1 thru FF)
- *	@n2win - level 2 window (values: 1 thru 7)
- *	@n3win - level 3 window (values: 1 thru 7)
- *	@nvc - # of logical channels (values: 1 thru 64)
- *	@pktlen - level 3 packet length - log base 2 of size
- *	@locaddr - my address
- *	@remaddr - remote address
- *	@t1 - time, in seconds
- *	@t2 - time, in seconds
- *	@t21 - time, in seconds
- *	@npvc - # of permanent virt. circuits (1 thru nvc)
- *	@t23 - time, in seconds
- *	@flags - see dosx25.doc, in portuguese, for details
- */
-struct cycx_x25_config {
-	u8  link;
-	u8  speed;
-	u8  clock;
-	u8  n2;
-	u8  n2win;
-	u8  n3win;
-	u8  nvc;
-	u8  pktlen;
-	u8  locaddr;
-	u8  remaddr;
-	u16 t1;
-	u16 t2;
-	u8  t21;
-	u8  npvc;
-	u8  t23;
-	u8  flags;
-} PACKED;
-
-struct cycx_x25_stats {
-	u16 rx_crc_errors;
-	u16 rx_over_errors;
-	u16 n2_tx_frames;
-	u16 n2_rx_frames;
-	u16 tx_timeouts;
-	u16 rx_timeouts;
-	u16 n3_tx_packets;
-	u16 n3_rx_packets;
-	u16 tx_aborts;
-	u16 rx_aborts;
-} PACKED;
-#endif	/* _CYCX_X25_H */