poky.ent - changed the "tbd" and "TBD" strings to "pyro" and
"Pyro", respectively.
Manual Head Files - Updated the manual history table with the
May release month.
(From yocto-docs rev: 076226d2986d0cf69685121e4342f50c1603fc7b)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>