icu: CVE-2020-10531

security Advisory

References:
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10531



Signed-off-by: Wang Mingyu <wangmy@cn.fujitsu.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Steve Sakoman <steve@sakoman.com>