For systems that don't otherwise depend on the full
util-linux package, ionice is a mere 31k (on mipsel).
(From OE-Core rev: 50d6f2c21eca162b82d5cbe135b87c1b1ea871b9)
Signed-off-by: André Draszik <adraszik@tycoint.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>