signal/mips: switch mips to generic siginfo

... having taught the latter that si_errno and si_code might be
swapped.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>

include/uapi/asm-generic/siginfo.h

@@ -48,8 +48,13 @@ typedef union sigval {
 
 typedef struct siginfo {
 	int si_signo;
+#ifndef __ARCH_HAS_SWAPPED_SIGINFO
 	int si_errno;
 	int si_code;
+#else
+	int si_code;
+	int si_errno;
+#endif
 
 	union {
 		int _pad[SI_PAD_SIZE];