[FREELDR] ArcGetFileInformation(): Set Information->FileName, Length, and Attributes for filesystems (#8420)

CORE-9023

Add support for all the supported filesystems: FAT/FATX, NTFS,
ISO, EXT, BTRFS, as well as for files loaded via PXE.

arc.h:
- Add `FILEATTRIBUTES` enumeration;
- Remove non-existing `CreateReadOnly` and `SupersedeReadOnly`
  `OPENMODE` values; add missing `CreateReadWrite`.

sdk/include/reactos/arc/arc.h

@@ -66,14 +66,23 @@ typedef enum _OPENMODE
     OpenWriteOnly,
     OpenReadWrite,
     CreateWriteOnly,
-    CreateReadOnly,
+    CreateReadWrite,
     SupersedeWriteOnly,
-    SupersedeReadOnly,
     SupersedeReadWrite,
     OpenDirectory,
     CreateDirectory,
 } OPENMODE;
 
+typedef enum _FILEATTRIBUTES
+{
+    ReadOnlyFile = 0x01,
+    HiddenFile = 0x02,
+    SystemFile = 0x04,
+    ArchiveFile = 0x08,
+    DirectoryFile = 0x10,
+    DeleteFile = 0x20
+} FILEATTRIBUTES;
+
 typedef enum _IDENTIFIER_FLAG
 {
     Failed = 0x01,
@@ -225,7 +234,7 @@ typedef struct _FILEINFORMATION
     CONFIGURATION_TYPE Type;
     ULONG FileNameLength;
     UCHAR Attributes;
-    CHAR Filename[32];
+    CHAR FileName[32];
 } FILEINFORMATION;
 
 typedef