easylogo: add lzma support

Compressing the logos with lzma rather than gzip saves ~9kb with the
Blackfin 24bit images and ~3kb with the 16bit images.

Add a new -l option to easylogo so people can pick lzma as their
decompression routine.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
1 file changed