syst/stat.h: Provide lstat definition on ps2sdk

Author: Ziemas

newlib/libc/include/sys/stat.h

@@ -142,7 +142,7 @@ int	mkfifo (const char *__path, mode_t __mode );
 int	stat (const char *__restrict __path, struct stat *__restrict __sbuf );
 mode_t	umask (mode_t __mask );
 
-#if defined (__SPU__) || defined(__rtems__) || defined(__CYGWIN__)
+#if defined (__SPU__) || defined(__rtems__) || defined(__CYGWIN__) || defined(__ps2sdk__)
 int	lstat (const char *__restrict __path, struct stat *__restrict __buf );
 int	mknod (const char *__path, mode_t __mode, dev_t __dev );
 #endif