The description had gone stale and was referencing a linux
yocto kernel we don't support and BSPs we don't support. Updated
it.
(From yocto-docs rev: 5041a2a26d703a885437abcedb24c7600d5365cd)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>