MAINTAINERS: Cover lcitool submodule with build test / automation

lcitool is used by build test / automation, we want maintainers
to get notified if the submodule is updated.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20220121154134.315047-2-f4bug@amsat.org>
Message-Id: <20220204204335.1689602-6-alex.bennee@linaro.org>

MAINTAINERS

@@ -3585,6 +3585,7 @@ F: .travis.yml
 F: scripts/ci/
 F: tests/docker/
 F: tests/vm/
+F: tests/lcitool/
 F: scripts/archive-source.sh
 W: https://gitlab.com/qemu-project/qemu/pipelines
 W: https://travis-ci.org/qemu/qemu