m68k: remove unused adb.h

The asm-m68k/adb.h header is unused. Some definitions are wrong and the rest
are duplicated in linux/adb.h. Remove it.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

include/asm-m68k/adb.h

-/*
- * Definitions for talking to ADB and CUDA.  The CUDA is a microcontroller
- * which controls the ADB, system power, RTC, and various other things on
- * later Macintoshes
- *
- * Copyright (C) 1996 Paul Mackerras.
- */
-
-/* First byte sent to or received from CUDA */
-#define ADB_PACKET	0
-#define CUDA_PACKET	1
-#define ERROR_PACKET	2
-#define TIMER_PACKET	3
-#define POWER_PACKET	4
-#define MACIIC_PACKET	5
-
-/* ADB commands (2nd byte) */
-#define ADB_BUSRESET		0
-#define ADB_FLUSH(id)		(1 + ((id) << 4))
-#define ADB_WRITEREG(id, reg)	(8 + (reg) + ((id) << 4))
-#define ADB_READREG(id, reg)	(0xc + (reg) + ((id) << 4))
-
-/* ADB default device IDs (upper 4 bits of 2nd byte) */
-#define ADB_DONGLE	1	/* "software execution control" devices */
-#define ADB_KEYBOARD	2
-#define ADB_MOUSE	3
-#define ADB_TABLET	4
-#define ADB_MODEM	5
-#define ADB_MISC	7	/* maybe a monitor */
-
-/* CUDA commands (2nd byte) */
-#define CUDA_WARM_START		0
-#define CUDA_AUTOPOLL		1
-#define CUDA_GET_6805_ADDR	2
-#define CUDA_GET_TIME		3
-#define CUDA_GET_PRAM		7
-#define CUDA_SET_6805_ADDR	8
-#define CUDA_SET_TIME		9
-#define CUDA_POWERDOWN		0xa
-#define CUDA_POWERUP_TIME	0xb
-#define CUDA_SET_PRAM		0xc
-#define CUDA_MS_RESET		0xd
-#define CUDA_SEND_DFAC		0xe
-#define CUDA_RESET_SYSTEM	0x11
-#define CUDA_SET_IPL		0x12
-#define CUDA_SET_AUTO_RATE	0x14
-#define CUDA_GET_AUTO_RATE	0x16
-#define CUDA_SET_DEVICE_LIST	0x19
-#define CUDA_GET_DEVICE_LIST	0x1a
-#define CUDA_GET_SET_IIC	0x22
-
-#ifdef __KERNEL__
-
-struct adb_request {
-    unsigned char data[16];
-    int nbytes;
-    unsigned char reply[16];
-    int reply_len;
-    unsigned char reply_expected;
-    unsigned char sent;
-    unsigned char got_reply;
-    void (*done)(struct adb_request *);
-    void *arg;
-    struct adb_request *next;
-};
-
-void via_adb_init(void);
-int adb_request(struct adb_request *req,
-		 void (*done)(struct adb_request *), int nbytes, ...);
-int adb_send_request(struct adb_request *req);
-void adb_poll(void);
-int adb_register(int default_id,
-		 void (*handler)(unsigned char *, int, struct pt_regs *));
-
-#endif	/* __KERNEL */