Machines can now add ext2.lzma and ext2.lzma.u-boot images as a
generated image type.
(From OE-Core rev: 927b2ce72c026e5e41bdd5690c48ebbc8b19e45e)
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>