file will automatically enable seccomp if the seccomp headers are available, but
the build will fail on Opensuse Tumbleweed because the include paths are wrong.
Enabling seccomp is a bad idea because it interacts badly with pseudo (causing
build failures), so explicitly and globally disable seccomp.
Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>