LZO is a fairly obsolete compression format these days, so disable it by
default.
(From OE-Core rev: 374756be0e332f625ebf8267a7d2216d9189a4d8)
Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>