The license on chat.c was clarified to MIT with a license identifier
so add to LICENSE as such. The ccp.c change was an email address.
(From OE-Core rev: 980c5c8b8b4354c0caa4f41f701eb3005d6c8e3f)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>