Add Zhangfei Gao and Zhou Wang as maintainers for uacce
Signed-off-by: NZhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: NZhou Wang <wangzhou1@hisilicon.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>