Fixes [YOCTO #5772]
These five style sheets support creation of permalinks in the
HTML formatted output.
(From yocto-docs rev: 7467ad6518c0fc0eb829b9432dc113bd0cdb6807)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>