Add an entry to the variable glossary for IMAGE_VERSION_SUFFIX (which
was added in thud) and update the IMAGE_NAME and KERNEL_ARTIFACT_NAME
entries whose defaults use this variable.
(From yocto-docs rev: 1a02c4be8e348687d4f7e09aefc408aaed5f1be5)
Signed-off-by: Paul Eggleton <paul.eggleton@microsoft.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>