doc: fix missing titles on kconfig reference entry HTML files

Add a document.title='xxx' via on-page javascript for the
.rst files generated by the genrest.py script

Jira: ZEP-459
Change-Id: I2b3dbb97758cfa232006a0cd98c4bd8394d8183e
Signed-off-by: David Kinder <david.b.kinder@intel.com>
1 file changed