mips: Add an 'include/asm/errno.h', like all other architectures

All other u-boot architectures have an include/asm/errno.h, so
this change adds it to the mips include/asm-mips headers also.

Stolen from Linux 2.6.25.

Signed-off-by: Jason McMullan <mcmullan@netapp.com>
diff --git a/include/asm-mips/errno.h b/include/asm-mips/errno.h
new file mode 100644
index 0000000..1665a63
--- /dev/null
+++ b/include/asm-mips/errno.h
@@ -0,0 +1,143 @@
+/*
+ * 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 */