* Updated poky.ent to use 2.6.4 stuff
* Updated mega-manual.sed to use "2.6.4" string
* Updated all the <manual>.xml files manual revision table
to be "November 2019"
(From yocto-docs rev: 607598f72bc3e7393ccf7c6380c03dddef3bb41c)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>