risu_aarch64: it's -> it is
risu_aarch64: it's -> it is

Signed-off-by: Alex Bennée <97ce1413105b2e68f811413f1ea07a68d9e5b40a@linaro.org>
Message-id: 20161209114830.9158-7-97ce1413105b2e68f811413f1ea07a68d9e5b40a@linaro.org
Signed-off-by: Peter Maydell <313afa09ce093b19ae1dd74f57c1ebd94508584c@linaro.org>

stsquad/risu,stsquad/risu,stsquad/risu