Allow conversion of characters in Mac remap range (part 2)

The previous patch allowed remapping reserved characters from directory
listenings, this patch adds conversion the other direction, allowing
opening of files with any of the seven reserved characters.

Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Shirish Pargaonkar <shirishpargaonkar@gmail.com>

diff --cc fs/cifs/cifs_unicode.c
Simple merge

diff --cc fs/cifs/smb2misc.c
Simple merge