- Delete fs.xml from DOCBOOKS to fix an error.
     Commit e3ff797c added fs.xml to DOCBOOKS
     but missed to add doc/DocBook/fs.tmpl.
  - Fix the location of include guard in include/linker_lists.h.

Signed-off-by: Masahiro Yamada <[email protected]>
Reported-by: Abraham Varricatt <[email protected]>
Acked-by: Simon Glass <[email protected]>