Add a 00-INDEX file to Documentation/mips/

Add a 00-INDEX file to Documentation/mips/
Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com>
Cc: Rob Landley <rob@landley.net>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

Documentation/mips/00-INDEX

+00-INDEX
+	- this file.
+AU1xxx_IDE.README
+	- README for MIPS AU1XXX IDE driver.
+GT64120.README
+	- README for dir with info on MIPS boards using GT-64120 or GT-64120A.
+time.README
+	- README for MIPS time services.