coreutils: upgrade from 9.7 to 9.9

coreutils: upgrade from 9.7 to 9.9

0001-sort-fix-buffer-under-read-CWE-127.patch is dropped as it has
been in version 9.9.

Adapt to upstream change about chcon and runcon:
https://gitweb.git.savannah.gnu.org/gitweb/?p=coreutils.git;a=commit;h=8ba47d09a33f0740e071a8394f3504e0fb57948e
They are not built unless selinux is available.

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>