We already cover util/qemu-timer.c in MAINTAINERS - change this entry
to util/qemu-timer*.c so that it covers util/qemu-timer-common.c, too.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20231020062142.525405-1-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>