MIPS: asm/errno.h: switch to asm-generic/errno.h

This fixes several warnings like

In file included from ./u-boot/include/linux/mtd/mtd.h:13:0,
                 from env_onenand.c:37:
./u-boot/build/vct_platinumavc_onenand_small/include2/asm/errno.h:52:0: warning: "ENOMSG" redefined [enabled by default]

Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
diff --git a/arch/mips/include/asm/errno.h b/arch/mips/include/asm/errno.h
index 1665a63..4c82b50 100644
--- a/arch/mips/include/asm/errno.h
+++ b/arch/mips/include/asm/errno.h
@@ -1,143 +1 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1995, 1999, 2001, 2002 by Ralf Baechle
- */
-#ifndef _ASM_MIPS_ERRNO_H
-#define _ASM_MIPS_ERRNO_H
-
-/*
- * These first 34 error codes are from Linux 2.6, <asm-generic/errno-base.h>
- */
-#define	EPERM		 1	/* Operation not permitted */
-#define	ENOENT		 2	/* No such file or directory */
-#define	ESRCH		 3	/* No such process */
-#define	EINTR		 4	/* Interrupted system call */
-#define	EIO		 5	/* I/O error */
-#define	ENXIO		 6	/* No such device or address */
-#define	E2BIG		 7	/* Argument list too long */
-#define	ENOEXEC		 8	/* Exec format error */
-#define	EBADF		 9	/* Bad file number */
-#define	ECHILD		10	/* No child processes */
-#define	EAGAIN		11	/* Try again */
-#define	ENOMEM		12	/* Out of memory */
-#define	EACCES		13	/* Permission denied */
-#define	EFAULT		14	/* Bad address */
-#define	ENOTBLK		15	/* Block device required */
-#define	EBUSY		16	/* Device or resource busy */
-#define	EEXIST		17	/* File exists */
-#define	EXDEV		18	/* Cross-device link */
-#define	ENODEV		19	/* No such device */
-#define	ENOTDIR		20	/* Not a directory */
-#define	EISDIR		21	/* Is a directory */
-#define	EINVAL		22	/* Invalid argument */
-#define	ENFILE		23	/* File table overflow */
-#define	EMFILE		24	/* Too many open files */
-#define	ENOTTY		25	/* Not a typewriter */
-#define	ETXTBSY		26	/* Text file busy */
-#define	EFBIG		27	/* File too large */
-#define	ENOSPC		28	/* No space left on device */
-#define	ESPIPE		29	/* Illegal seek */
-#define	EROFS		30	/* Read-only file system */
-#define	EMLINK		31	/* Too many links */
-#define	EPIPE		32	/* Broken pipe */
-#define	EDOM		33	/* Math argument out of domain of func */
-#define	ERANGE		34	/* Math result not representable */
-
-/*
- * These error numbers are intended to be MIPS ABI compatible
- */
-#define	ENOMSG		35	/* No message of desired type */
-#define	EIDRM		36	/* Identifier removed */
-#define	ECHRNG		37	/* Channel number out of range */
-#define	EL2NSYNC	38	/* Level 2 not synchronized */
-#define	EL3HLT		39	/* Level 3 halted */
-#define	EL3RST		40	/* Level 3 reset */
-#define	ELNRNG		41	/* Link number out of range */
-#define	EUNATCH		42	/* Protocol driver not attached */
-#define	ENOCSI		43	/* No CSI structure available */
-#define	EL2HLT		44	/* Level 2 halted */
-#define	EDEADLK		45	/* Resource deadlock would occur */
-#define	ENOLCK		46	/* No record locks available */
-#define	EBADE		50	/* Invalid exchange */
-#define	EBADR		51	/* Invalid request descriptor */
-#define	EXFULL		52	/* Exchange full */
-#define	ENOANO		53	/* No anode */
-#define	EBADRQC		54	/* Invalid request code */
-#define	EBADSLT		55	/* Invalid slot */
-#define	EDEADLOCK	56	/* File locking deadlock error */
-#define	EBFONT		59	/* Bad font file format */
-#define	ENOSTR		60	/* Device not a stream */
-#define	ENODATA		61	/* No data available */
-#define	ETIME		62	/* Timer expired */
-#define	ENOSR		63	/* Out of streams resources */
-#define	ENONET		64	/* Machine is not on the network */
-#define	ENOPKG		65	/* Package not installed */
-#define	EREMOTE		66	/* Object is remote */
-#define	ENOLINK		67	/* Link has been severed */
-#define	EADV		68	/* Advertise error */
-#define	ESRMNT		69	/* Srmount error */
-#define	ECOMM		70	/* Communication error on send */
-#define	EPROTO		71	/* Protocol error */
-#define	EDOTDOT		73	/* RFS specific error */
-#define	EMULTIHOP	74	/* Multihop attempted */
-#define	EBADMSG		77	/* Not a data message */
-#define	ENAMETOOLONG	78	/* File name too long */
-#define	EOVERFLOW	79	/* Value too large for defined data type */
-#define	ENOTUNIQ	80	/* Name not unique on network */
-#define	EBADFD		81	/* File descriptor in bad state */
-#define	EREMCHG		82	/* Remote address changed */
-#define	ELIBACC		83	/* Can not access a needed shared library */
-#define	ELIBBAD		84	/* Accessing a corrupted shared library */
-#define	ELIBSCN		85	/* .lib section in a.out corrupted */
-#define	ELIBMAX		86	/* Attempting to link in too many shared libraries */
-#define	ELIBEXEC	87	/* Cannot exec a shared library directly */
-#define	EILSEQ		88	/* Illegal byte sequence */
-#define	ENOSYS		89	/* Function not implemented */
-#define	ELOOP		90	/* Too many symbolic links encountered */
-#define	ERESTART	91	/* Interrupted system call should be restarted */
-#define	ESTRPIPE	92	/* Streams pipe error */
-#define	ENOTEMPTY	93	/* Directory not empty */
-#define	EUSERS		94	/* Too many users */
-#define	ENOTSOCK	95	/* Socket operation on non-socket */
-#define	EDESTADDRREQ	96	/* Destination address required */
-#define	EMSGSIZE	97	/* Message too long */
-#define	EPROTOTYPE	98	/* Protocol wrong type for socket */
-#define	ENOPROTOOPT	99	/* Protocol not available */
-#define	EPROTONOSUPPORT	120	/* Protocol not supported */
-#define	ESOCKTNOSUPPORT	121	/* Socket type not supported */
-#define	EOPNOTSUPP	122	/* Operation not supported on transport endpoint */
-#define	EPFNOSUPPORT	123	/* Protocol family not supported */
-#define	EAFNOSUPPORT	124	/* Address family not supported by protocol */
-#define	EADDRINUSE	125	/* Address already in use */
-#define	EADDRNOTAVAIL	126	/* Cannot assign requested address */
-#define	ENETDOWN	127	/* Network is down */
-#define	ENETUNREACH	128	/* Network is unreachable */
-#define	ENETRESET	129	/* Network dropped connection because of reset */
-#define	ECONNABORTED	130	/* Software caused connection abort */
-#define	ECONNRESET	131	/* Connection reset by peer */
-#define	ENOBUFS		132	/* No buffer space available */
-#define	EISCONN		133	/* Transport endpoint is already connected */
-#define	ENOTCONN	134	/* Transport endpoint is not connected */
-#define	EUCLEAN		135	/* Structure needs cleaning */
-#define	ENOTNAM		137	/* Not a XENIX named type file */
-#define	ENAVAIL		138	/* No XENIX semaphores available */
-#define	EISNAM		139	/* Is a named type file */
-#define	EREMOTEIO	140	/* Remote I/O error */
-#define EINIT		141	/* Reserved */
-#define EREMDEV		142	/* Error 142 */
-#define	ESHUTDOWN	143	/* Cannot send after transport endpoint shutdown */
-#define	ETOOMANYREFS	144	/* Too many references: cannot splice */
-#define	ETIMEDOUT	145	/* Connection timed out */
-#define	ECONNREFUSED	146	/* Connection refused */
-#define	EHOSTDOWN	147	/* Host is down */
-#define	EHOSTUNREACH	148	/* No route to host */
-#define	EWOULDBLOCK	EAGAIN	/* Operation would block */
-#define	EALREADY	149	/* Operation already in progress */
-#define	EINPROGRESS	150	/* Operation now in progress */
-#define	ESTALE		151	/* Stale NFS file handle */
-#define ECANCELED	158	/* AIO operation canceled */
-
-#endif /* _ASM_MIPS_ERRNO_H */
+#include <asm-generic/errno.h>