The Images reference section states you can control what features are
in an image by using the IMAGE_FEATURES variable. It failed to mention
the EXTRA_IMAGE_FEATURES variable. I included this variable in the
discussion.
(From yocto-docs rev: 6c7789bd409f43a3978c09c43db31010bc461573)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>